A324623 Number of permutations p of [3+n] such that n is the maximum of the number of elements in any integer interval [p(i)..i+(3+n)*[i<p(i)]].

0, 1, 1, 18, 113, 1001, 9289, 95747, 1075779, 13129188, 173006731, 2449243815, 37082963875, 598045522873, 10236223969309, 185344819109346, 3539853769700281, 71122126197951465, 1499666213536206971, 33113352117542113491, 764116379880803291501

Offset

0,4

Links

Alois P. Heinz, Table of n, a(n) for n = 0..447

Formula

a(n) = A000183(n+3) - A004307(n+3).

Crossrefs

Row n=3 of A324563 and column of A324564 (as array).

Cf. A000183, A004307.

Sequence in context: A041622 A160765 A192511 * A244866 A125328 A126486

Adjacent sequences: A324620 A324621 A324622 * A324624 A324625 A324626

Keyword

nonn

Author

Alois P. Heinz, Mar 09 2019

Status

approved