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 A243234 Number of isoscent sequences of length n with exactly eight ascents. 2
 72, 22702, 1726823, 67907889, 1795511707, 36321261053, 605440292330, 8715982350668, 111865311047525, 1309224069548063, 14207107757575607, 144766250416253170, 1398869193142980670, 12919066626921248461, 114754676548076467734, 985458803547385212585 (list; graph; refs; listen; history; text; internal format)
 OFFSET 13,1 LINKS Joerg Arndt and Alois P. Heinz, Table of n, a(n) for n = 13..100 MAPLE b:= proc(n, i, t) option remember; `if`(n<1, 1, expand(add( `if`(j>i, x, 1) *b(n-1, j, t+`if`(j=i, 1, 0)), j=0..t+1))) end: a:= n-> coeff(b(n-1, 0\$2), x, 8): seq(a(n), n=13..35); CROSSREFS Column k=8 of A242351. Sequence in context: A295599 A270254 A273629 * A246633 A157459 A159393 Adjacent sequences: A243231 A243232 A243233 * A243235 A243236 A243237 KEYWORD nonn AUTHOR Joerg Arndt and Alois P. Heinz, Jun 01 2014 STATUS approved

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Last modified March 29 01:21 EDT 2023. Contains 361596 sequences. (Running on oeis4.)