A115692 Triangular numbers whose digit reversal is a powerful(1) number (A001694).

1, 10, 630, 16290, 52650, 165600, 986310, 3428271, 9446031, 9485190, 10693000, 23698170, 52168005, 1270004401, 2597150556, 3484079550, 14214075921, 140884670790, 217958758920, 238847271435, 403146774891

Offset

1,2

Links

Table of n, a(n) for n=1..21.

Example

3428271=T(2618) and 1728243=3^3*11^2*2^2 is powerful.

Crossrefs

Cf. A001694, A115691.

Sequence in context: A285372 A308145 A159622 * A179889 A209472 A132543

Adjacent sequences: A115689 A115690 A115691 * A115693 A115694 A115695

Keyword

nonn,base

Author

Giovanni Resta, Jan 31 2006

Status

approved