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 A371493 Expansion of e.g.f. Product_{k>=2} (1 + x^k/k). 1
 1, 0, 1, 2, 6, 44, 210, 1644, 11088, 119664, 1034640, 12372480, 139629600, 1877722560, 25389131040, 395162832960, 6041860070400, 105872058754560, 1864694944465920, 35822359116149760, 705399920144640000, 15048474234019430400, 324762706938629836800, 7566557300438795366400 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..23. MATHEMATICA nmax = 23; CoefficientList[Series[Product[(1 + x^k/k), {k, 2, nmax}], {x, 0, nmax}], x] Range[0, nmax]! CROSSREFS Cf. A007838, A032311, A371487. Sequence in context: A055564 A077259 A319112 * A342986 A136589 A077048 Adjacent sequences: A371490 A371491 A371492 * A371494 A371495 A371496 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Mar 25 2024 STATUS approved

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Last modified June 16 15:23 EDT 2024. Contains 373432 sequences. (Running on oeis4.)