OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..153
Eric Weisstein's World of Mathematics, Grid Graph
Eric Weisstein's World of Mathematics, Irredundant Set
EXAMPLE
Array begins:
=============================================================
m\n| 1 2 3 4 5 6 7
---|---------------------------------------------------------
1 | 2 3 5 9 15 26 44...
2 | 3 11 26 79 224 640 1828...
3 | 5 26 113 548 2513 11826 55136...
4 | 9 79 548 4481 34049 265227 2052725...
5 | 15 224 2513 34049 425926 5467052 69724154...
6 | 26 640 11826 265227 5467052 116003176 2441933224...
7 | 44 1828 55136 2052725 69724154 2441933224 84850904785...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, Aug 02 2017
STATUS
approved