OFFSET
1,6
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..1350 (rows 1..20)
EXAMPLE
Triangle begins:
[1] 1;
[2] 0, 1;
[3] 0, 0, 3, 1;
[4] 0, 0, 0, 8, 9, 6, 1;
[5] 0, 0, 0, 0, 27, 54, 79, 63, 33, 10, 1;
...
PROG
(PARI) \\ See PARI link in A122078 for program code.
{ my(T=WeakAcyclicDigraphsByArcs(6)); for(n=1, #T, print(T[n])) }
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Andrew Howroyd, Dec 31 2021
STATUS
approved