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A227662 Number of lattice paths from {8}^n to {0}^n using steps that decrement one component by 1 such that for each point (p_1,p_2,...,p_n) we have abs(p_{i}-p_{i+1}) <= 1. 1
1, 1, 256, 6520712, 2616540574496, 7962224756951452544, 120712076511505386344017520, 6941648177366735193973359263017216, 1248760044848501400078426452469652899962528, 608787871679690303320891056934368872583827110376320 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..9.

EXAMPLE

a(2) = 2^8 = 256.

CROSSREFS

Row n=8 of A227655.

Cf. A000079.

Sequence in context: A069447 A227606 A016880 * A262458 A016940 A017012

Adjacent sequences:  A227659 A227660 A227661 * A227663 A227664 A227665

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jul 19 2013

STATUS

approved

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Last modified December 7 12:17 EST 2021. Contains 349581 sequences. (Running on oeis4.)