A184885 Irregular triangle in which row n has the values of k>1 such that sum_{i=n..n+k-1} i^2 is a square.

24, 2, 578, 961, 23, 33, 50, 184, 2209, 24, 552049, 22898, 96, 97, 312, 23, 5329, 11, 2, 24, 289, 1221025, 96, 59, 6889, 24, 26, 49, 554, 600, 3601, 21600, 33, 338, 50, 96, 169, 578, 4056, 61250, 148825, 11, 59, 312, 649, 11881, 24, 50, 122, 15625, 96, 338, 3479, 2075, 33, 3179, 242, 218, 864, 50, 8450, 122, 22801, 36481, 24, 194, 25921, 50, 242

Offset: 1

Author

T. D. Noe, Jan 24 2011

Keywords

• nonn
• tabf
• hard

Comments

That is, this sequence gives the number of squares in the sums described in A184763. Sequence A184762 gives the length of row n. A180442 lists the nonempty rows. All these numbers must appear in A001032.

Examples

			The triangle is
(row 1)  24
(row 3)  2, 578, 961
(row 7)  23, 33, 50, 184, 2209
(row 9)  24, 552049
(row 11) 22898
(row 13) 96
(row 15) 97, 312
		

Formula

Row n = row n of A184763 minus n-1.