A115696 Pentagonal numbers (A000326) whose digit reversal is a powerful(1) number (A001694).

1, 925, 1426, 6112, 9801, 140301, 251945, 578151, 2112860, 78883630, 466005001, 52244922262, 394240923000, 527042773467, 706743866647, 797657661680, 869119510700, 1445531162626, 3905876132501, 5205252778462, 63253297234426, 135399021815552

Offset: 1

Author

Giovanni Resta, Jan 31 2006

Keywords

• nonn
• base

Examples

			925 is the 25th pentagonal number and 529=23^2 is powerful.
		

Crossrefs

Cf. A000326, A001694, A115695.

Extensions

a(19)-a(22) from Donovan Johnson, Jun 29 2011