A358803 Number of (undirected) paths in the grid graph P_7 X P_n.

21, 1929, 111360, 5493524, 235936139, 9260866349, 343715004510, 12272026383150, 425379224031883, 14398776122175869, 477992611490969866, 15612642461993689686, 503019559474972734241, 16017949107881110650889

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Crossrefs

Row 7 of A288518.

Sequence in context: A305145 A296686 A163928 * A243685 A221122 A265175

Adjacent sequences: A358800 A358801 A358802 * A358804 A358805 A358806

Keyword

nonn

Author

Seiichi Manyama, Dec 01 2022

Status

approved