A264323 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 3412.

1, 89, 5461, 238356, 8368831, 259770975, 7542478135, 211794493290, 5870838954710, 162745118970610, 4549825111681964, 128994813976541176, 3722621639161251074, 109622707753571938234, 3299453321046315967098, 101610430484526744949716, 3203896974449174366163207

Offset: 10

Author

Alois P. Heinz, Nov 11 2015

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 10..180

Crossrefs

Column k=4 of A264319.