A037051 Palindromic product of some n with sum of next n consecutive integers.

2, 2664662, 9826289, 4128458548214

Offset: 1

Author

Patrick De Geest, Jan 04 1999

Keywords

• nonn
• base
• hard
• more
• changed

Comments

Values of n see A037050.

a(5) > 7.5*10^37, if it exists. - Giovanni Resta, Aug 26 2019

Examples

			2664662 = 121 * (122 + 123 + ... + 241 + 242) = 121 * 22022.
		

Crossrefs

Cf. A036659, A037050.

Programs

Mathematica

Select[Table[n^2/2*(1+3n),{n,15000}],PalindromeQ] (* Harvey P. Dale, Sep 07 2025 *)