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A017221
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a(n) = 9*n + 5.
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23
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5, 14, 23, 32, 41, 50, 59, 68, 77, 86, 95, 104, 113, 122, 131, 140, 149, 158, 167, 176, 185, 194, 203, 212, 221, 230, 239, 248, 257, 266, 275, 284, 293, 302, 311, 320, 329, 338, 347, 356, 365, 374, 383, 392, 401, 410, 419, 428, 437, 446, 455, 464, 473, 482
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OFFSET
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0,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = a(n-1) + 9, with a(0) = 5.
E.g.f.: (5 + 9*x)*exp(x). (End)
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MAPLE
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MATHEMATICA
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9*Range[0, 60]+5 (* or *) LinearRecurrence[{2, -1}, {5, 14}, 60] (* Harvey P. Dale, Jul 05 2021 *)
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PROG
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(SageMath) [9*n+5 for n in range(51)] # G. C. Greubel, Jan 06 2023
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CROSSREFS
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Sequences of the form (9*n+5)^k: this sequence (k=1), A017222 (k=2), A017223 (k=3), A017224 (k=4), A017225 (k=5), A017226 (k=6), A017227 (k=7), A017228 (k=8), A017229 (k=9), A017230 (k=10), A017231 (k=11).
Cf. similar sequences with closed form (2*k-1)*n+k listed in A269044.
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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