OFFSET
1,4
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..120
Eric Weisstein's World of Mathematics, King Graph
Eric Weisstein's World of Mathematics, Total Dominating Set
FORMULA
T(n,m) = T(m,n).
EXAMPLE
Array begins:
================================================================
m\n | 1 2 3 4 5 6 7 8
----+-----------------------------------------------------------
1 | 0 1 2 1 2 4 3 4 ...
2 | 1 6 10 15 52 105 175 481 ...
3 | 2 10 20 52 179 418 1167 3498 ...
4 | 1 15 52 141 801 2950 9792 47527 ...
5 | 2 52 179 801 7770 34790 184318 1305358 ...
6 | 4 105 418 2950 34790 204372 1593094 14720683 ...
7 | 3 175 1167 9792 184318 1593094 16260853 231301551 ...
8 | 4 481 3498 47527 1305358 14720683 231301551 4570906041 ...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, Feb 10 2020
STATUS
approved