References to A069700

Triangular numbers with internal digits 9.
0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 190, 496, 595, 990, 599


1 seqfan posts

Sun Mar 15 02:46:16 CET 2009    [seqfan] A069693 .. A069700 (triangular numbers of the form abb...bc) are fini and full

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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