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A024426 a(n) = floor((1/n)*(S(n,1) + S(n,2) + ... + S(n,n))), where S(i,j) are Stirling numbers of second kind. 0
1, 1, 1, 3, 10, 33, 125, 517, 2349, 11597, 61688, 351133, 2126495, 13635665, 92197236, 655008884, 4874404106, 37893155897, 306986431845, 2586207911768, 22612848388416, 204850715383969, 1919652428481928, 18581619553950220 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
CROSSREFS
Sequence in context: A302076 A149029 A149030 * A326558 A149031 A145928
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(6)-a(22) corrected and more terms from Sean A. Irvine, Jul 10 2019
STATUS
approved

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Last modified April 17 03:42 EDT 2024. Contains 371756 sequences. (Running on oeis4.)