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A271754 Number of set partitions of [n+3] such that n is the largest element of the last block. 2
0, 1, 10, 63, 365, 2110, 12521, 77133, 495408, 3321545, 23241681, 169563944, 1288195931, 10176462413, 83473288546, 709925146315, 6251616698625, 56926598141054, 535352734428349, 5193455071192121, 51913950093082800, 534160387907563869, 5651905462025615573 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
a(n) = A271466(n+3,n).
EXAMPLE
a(3) = 10: 12456|3, 1456|23, 1456|2|3, 145|26|3, 146|25|3, 14|256|3, 156|24|3, 15|246|3, 16|245|3, 1|2456|3.
CROSSREFS
A diagonal of A271466.
Sequence in context: A093953 A298067 A298716 * A075755 A046638 A101467
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Apr 13 2016
STATUS
approved

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Last modified May 29 00:29 EDT 2024. Contains 372921 sequences. (Running on oeis4.)