A226799 Sum of the triples {a,b,c} with 0 < a < b < c such that a! b! c! is a square, ordered by their sum a+b+c.

8, 14, 15, 17, 18, 18, 23, 32, 37, 45, 50, 50, 51, 51, 52, 64, 65, 65, 72, 76, 77, 95, 98, 100, 100, 101, 101, 110, 111, 128, 135, 136, 145, 147, 148, 162, 164, 165, 166, 194, 195, 197, 200, 233, 242, 244, 245, 255, 257, 258, 259, 286, 288, 302, 303

Offset

1,1

Comments

These are the sums of the triples in A226798.

Links

Table of n, a(n) for n=1..55.

A. Dujella, F. Najman, N. Saradha and T. N. Shorey, Products of three factorials, Publ. Math. Debrecen 85/1-2 (2014), 123-130.

Crossrefs

Cf. A226798 (triples a,b,c).

Sequence in context: A260059 A122459 A092537 * A236295 A178838 A219303

Adjacent sequences: A226796 A226797 A226798 * A226800 A226801 A226802

Keyword

nonn

Author

T. D. Noe, Jun 27 2013

Status

approved