OFFSET
1,5
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..276
Eric Weisstein's World of Mathematics, Edge Cover
Eric Weisstein's World of Mathematics, Grid Graph
EXAMPLE
Table starts:
======================================================================
m\n| 1 2 3 4 5 6
---|------------------------------------------------------------------
1 | 0 1 1 2 3 5 ...
2 | 1 7 43 277 1777 11407 ...
3 | 1 43 969 23663 571099 13807469 ...
4 | 2 277 23663 2180738 198906617 18169793971 ...
5 | 3 1777 571099 198906617 68534828391 23650967140325 ...
6 | 5 11407 13807469 18169793971 23650967140325 30833670159649637 ...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, May 15 2017
EXTENSIONS
T(1,1) corrected by Andrew Howroyd, Jun 04 2017
STATUS
approved