A359109 Row sums of the accumulated Stirling2 triangle A359107.
1, 1, 3, 10, 38, 161, 747, 3753, 20253, 116642, 713130, 4607813, 31345921, 223767233, 1671430607, 13030153118, 105777688842, 892355720117, 7808793918123, 70763428070825, 663061665021433, 6415290033157950, 64009171867651406, 657841277082303361, 6956340269434938161
Offset: 0
Keywords
Crossrefs
Cf. A359107.
Programs
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Maple
with(ListTools): ps := L -> PartialSums(L): seq(add(i, i = ps([seq(Stirling2(n, k), k = 0..n)])), n = 0..24);
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PARI
a(n) = sum(k=0, n, sum(j=0, k, stirling(n, j, 2))); \\ Michel Marcus, Dec 28 2022