A052348 Indices of A052343 (ways to write n as sum of two triangular numbers) where record values are reached.

0, 6, 81, 276, 1056, 1381, 6906, 17956, 34531, 40056, 200281, 520731, 1001406, 1482081, 7410406, 19267056, 37052031, 60765331, 303826656, 789949306, 1519133281, 3220562556, 13429138206, 16102812781, 41867313231, 80514063906, 196454315931, 711744324931

Offset: 1

Author

Christian G. Bower, Jan 23 2000

Keywords

• nonn

Examples

			a(2) = 6 because 6 = 6 + 0 = 3 + 3. a(3) = 81 because 81 = 3 + 78 = 15 + 66 = 36 + 55.
		

Links

• Kenneth Korbin, Problem 665, The College Mathematics Journal Vol. 30 No. 5, Nov. 1999.

Crossrefs

Probably differs from A053587 only at n=1, 2, 4.

Cf. A000217, A052343, A052344, A052345, A052346, A052347.

Extensions

a(23)-a(26) from Donovan Johnson, May 24 2009

a(27)-a(28) from Donovan Johnson, Mar 20 2013