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A309802
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a(n) is the coefficient of x^n in the polynomial Product_{i=1..n+2} (prime(i)*x-1).
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3
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1, 10, 101, 1358, 20581, 390238, 8130689, 201123530, 6166988769, 201097530280, 7754625545261, 329758834067168, 14671637258193181, 711027519310719868, 38706187989054920001, 2338431642812927422310, 145908145906128304198449, 9976861293427674211625032
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = [x^n] Product_{i=1..n+2} (prime(i)*x-1).
a(n) = abs(A238146(n+2,n)) for n>0.
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MAPLE
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a:= n-> coeff(mul(ithprime(i)*x-1, i=1..n+2), x, n):
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CROSSREFS
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Cf. A000040, A002110, A024451, A070918, A309803, A309804, A033999, A007504, A024447, A024448, A024449, A054640, A005867, A238146, A260613.
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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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