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 A306188 Number of n-times strict partitions of n. 3
 1, 1, 1, 4, 11, 41, 154, 904, 4927, 35398, 234454, 1965976, 16589885, 157974740, 1480736877, 16406078770, 177232251249, 2151696598160, 25726133391191, 346746928400037, 4607758596471426, 67562340652906942, 969200312705046531, 15386051753617360150 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..480 MAPLE b:= proc(n, i, k) option remember; `if`(i*(i+1)/2 b(n\$3): seq(a(n), n=0..25); MATHEMATICA b[n_, i_, k_] := b[n, i, k] = If[i(i+1)/2 < n, 0, If[n == 0 || k == 0, 1, b[n, i - 1, k] + b[i, i, k - 1] b[n - i, Min[n - i, i - 1], k]]]; a[n_] := b[n, n, n]; a /@ Range[0, 25] (* Jean-François Alcover, Dec 08 2020, after Alois P. Heinz *) CROSSREFS Cf. A000009, A261280, A306187. Sequence in context: A151455 A149269 A149270 * A307702 A214167 A278988 Adjacent sequences: A306185 A306186 A306187 * A306189 A306190 A306191 KEYWORD nonn AUTHOR Alois P. Heinz, Jan 27 2019 STATUS approved

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Last modified May 23 21:14 EDT 2024. Contains 372765 sequences. (Running on oeis4.)