OFFSET
0,1
COMMENTS
The sequence sums to binomial(13, 6).
MATHEMATICA
Table[Binomial[6, n] Binomial[7, 6 - n], {n, 0, 6}] (* Wesley Ivan Hurt, Jan 15 2017 *)
CROSSREFS
KEYWORD
nonn,easy,fini,full
AUTHOR
Zerinvary Lajos, Jan 05 2006
EXTENSIONS
Edited by Don Reble, Jan 26 2006
STATUS
approved