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A115692 Triangular numbers whose digit reversal is a powerful(1) number (A001694). 1
1, 10, 630, 16290, 52650, 165600, 986310, 3428271, 9446031, 9485190, 10693000, 23698170, 52168005, 1270004401, 2597150556, 3484079550, 14214075921, 140884670790, 217958758920, 238847271435, 403146774891 (list; graph; refs; listen; history; text; internal format)
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

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Last modified February 22 09:17 EST 2020. Contains 332133 sequences. (Running on oeis4.)