A324625 Number of permutations p of [5+n] such that n is the maximum of the number of elements in any integer interval [p(i)..i+(5+n)*[i<p(i)]].

0, 1, 1, 47, 406, 5320, 65209, 876865, 12428079, 187013213, 2977639454, 50100075551, 889030153223, 16605705694513, 325842147818131, 6704025812865230, 144359437306938642, 3247712172059705741, 76210676599647821811, 1862449116865631232577

Offset

0,4

Links

Table of n, a(n) for n=0..19.

Formula

a(n) = A189389(n+5) - A184965(n+5).

Crossrefs

Row n=5 of A324563 column of A324564 (as array).

Cf. A189389, A184965.

Sequence in context: A255141 A142694 A213216 * A239539 A217119 A142454

Adjacent sequences: A324622 A324623 A324624 * A324626 A324627 A324628

Keyword

nonn

Author

Alois P. Heinz, Mar 09 2019

Status

approved