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A350522
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a(n) = 18*n + 16.
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2
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16, 34, 52, 70, 88, 106, 124, 142, 160, 178, 196, 214, 232, 250, 268, 286, 304, 322, 340, 358, 376, 394, 412, 430, 448, 466, 484, 502, 520, 538, 556, 574, 592, 610, 628, 646, 664, 682, 700, 718, 736, 754, 772, 790, 808, 826, 844, 862, 880, 898, 916, 934, 952, 970
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OFFSET
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0,1
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COMMENTS
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Sixth column of A006370 (the Collatz or 3x+1 map) when it is interpreted as a rectangular array with six columns read by rows.
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LINKS
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FORMULA
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O.g.f.: 2*(8 + x)/(1 - x)^2.
E.g.f.: 2*exp(x)*(8 + 9*x).
a(n) = 2*a(n-1) - a(n-2) for n > 1. (End)
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MAPLE
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seq(18*n+16, n=0..53);
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MATHEMATICA
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Table[18n+16, {n, 0, 53}]
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PROG
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(PARI) a(n)=18*n+16
(Magma) [18*n+16: n in [0..53]];
(Maxima) makelist(18*n+16, n, 0, 53);
(GAP) List([0..53], n-> 18*n+16)
(Python) [18*n+16 for n in range(53)]
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CROSSREFS
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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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