OFFSET
1,1
COMMENTS
Inverse Stirling transform of primes.
LINKS
Eric Weisstein's World of Mathematics, Stirling Transform
FORMULA
a(n) = Sum_{k=1..n} Stirling1(n,k)*prime(k).
MATHEMATICA
nmax = 23; Rest[CoefficientList[Series[Sum[Prime[k] Log[1 + x]^k/k!, {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]!]
Table[Sum[StirlingS1[n, k] Prime[k], {k, 1, n}], {n, 1, 23}]
CROSSREFS
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Apr 27 2019
STATUS
approved