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A264323
Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 3412.
2
1, 89, 5461, 238356, 8368831, 259770975, 7542478135, 211794493290, 5870838954710, 162745118970610, 4549825111681964, 128994813976541176, 3722621639161251074, 109622707753571938234, 3299453321046315967098, 101610430484526744949716, 3203896974449174366163207
OFFSET
10,2
LINKS
CROSSREFS
Column k=4 of A264319.
Sequence in context: A017752 A282478 A342049 * A100419 A328355 A264135
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 11 2015
STATUS
approved