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A115680 Pentagonal numbers (A000326) whose digit reversal is a brilliant number (A078972). 1
12, 51, 176, 715, 925, 1426, 3151, 3290, 10795, 15251, 16172, 19097, 79235, 92132, 114955, 117460, 119992, 127750, 150575, 355510, 755795, 779401, 1010651, 1108970, 1258126, 1274665, 1294097, 1463722, 1466687, 1675345, 1881040 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

3151 is the 46th pentagonal number and 1513=17*89 is brilliant.

CROSSREFS

Cf. A000326, A078972, A115679.

Sequence in context: A145886 A166776 A200887 * A066757 A045219 A054410

Adjacent sequences:  A115677 A115678 A115679 * A115681 A115682 A115683

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.