References to A008486

Expansion of (1+x+x^2)/(1-x)^2.
1, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69

1 seqfan posts

Sun Nov 29 12:35:43 CET 2009    [seqfan] A008486 and the four color theorem
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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