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Search: id:A002069
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| A002069 |
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Palindromic pentagonal numbers.
(Formerly M3924 N1612)
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+0
3
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| 0, 1, 5, 22, 1001, 2882, 15251, 720027, 7081807, 7451547, 26811862, 54177145, 1050660501, 1085885801, 1528888251, 2911771192, 2376574756732, 5792526252975, 5875432345785, 10810300301801, 264571020175462, 5292834004382925
(list; graph; listen)
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