A202954 Number of partitions of [1,...,3n] into triples satisfying x+y=4z.

1, 0, 0, 0, 0, 0, 0, 0, 6, 0, 5, 0, 0, 349, 0, 443, 0, 0, 110757, 0, 1254452, 0, 0, 152965479, 0

Offset: 0

Author

N. J. A. Sloane, Dec 26 2011

Keywords

• nonn
• more

Comments

a(n)=0 when n is not congruent to 0 or 3 mod 5. - Edward Moody, Jan 17 2021

Links

• R. J. Nowakowski, Generalizations of the Langford-Skolem problem, M.S. Thesis, Dept. Math., Univ. Calgary, May 1975. [Scanned copy, with permission.] See Table II.6.

Crossrefs

Cf. A108235, A104429.

Extensions

a(14)-a(17) from Alois P. Heinz, Dec 28 2011

a(18) from Alois P. Heinz, Jan 04 2012

a(19)-a(24) from Edward Moody, Jan 17 2021