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A206461 Number of 0..n arrays of length n+7 avoiding the consecutive pattern 0..n 1
9, 14849, 1020000, 48718765, 2176455745, 96888186864, 4398044676096, 205891128374562, 9999999993000000, 505447028486892844, 26623333280864342016, 1461920290375412323014, 83668255425284748853824 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subdiagonal 7 of A206455

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = sum{i in 0..floor((n+7)/(n+1))} ((-1)^i*(n+1)^((n+7) -(n+1)*i)*binomial((n+7) -n*i,i))

CROSSREFS

Sequence in context: A271717 A069501 A030254 * A258719 A292562 A140596

Adjacent sequences: A206458 A206459 A206460 * A206462 A206463 A206464

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 07 2012

STATUS

approved

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Last modified November 29 01:35 EST 2022. Contains 358421 sequences. (Running on oeis4.)