A221563 Triangular numbers representable as t*p, where t>1 is a triangular number, p>1 is a prime power (A025475).

120, 528, 1485, 3240, 58653, 70125, 139128, 609960, 886446, 902496, 1062153, 1844160, 4017195, 8386560, 8759205, 38618866, 39760903, 122062500, 160554240, 703893960, 741105750, 797222415, 6115239936, 10854464130, 23667373395, 82103447700, 131197213890

Offset: 1

Author

Alex Ratushnyak, May 03 2013

Keywords

• nonn

Examples

			Triangular(32) = 528 = 66 * 8, because 66 is a triangular number and 8 is a prime power, 528 is in the sequence.
Triangular(54) = 1485 = 55 * 27, because 55 is a triangular number and 27 is a prime power, 1485 is in the sequence.
		

Crossrefs

Cf. A000217, A025475, A029549.