References to A133929

Positive integers that cannot be expressed using four pentagonal numbers.
9, 21, 31, 43, 55, 8

1 seqfan posts

Fri May 21 09:59:46 CEST 2010    [seqfan] Re: Missing word in A107978

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