References to A144328

A002260 preceded by a column of 1's: a (1, 1, 2, 3, 4, 5,...) crescendo triangle by rows.
1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 3, 4, 1, 1, 2, 3, 4, 5, 1, 1, 2, 3, 4, 5, 6, 1, 1, 2, 3, 4, 5


2 seqfan posts

Wed Dec 22 19:08:52 CET 2010    [seqfan] Re: checking a sequence before submission
Tue Dec 14 00:03:52 CET 2010    [seqfan] Re: checking a sequence before submission

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