Square pyramidal numbers: 0^2 + 1^2 + 2^2 +...+ n^2 = n*(n+1)*(2*n+1)/6.
0, 1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819, 1015, 1240, 1496, 1785
10 seqfan posts
Wed Jun 29 20:52:14 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:27:34 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:25:44 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 06:26:53 CEST 2011 [seqfan] Formulas needed for new sequence.
Tue Nov 30 05:53:33 CET 2010 [seqfan] The "financial" definitions for sequences
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Fri Nov 20 02:48:14 CET 2009 [seqfan] Re: detective work related to Creighton Dement's \"Floretions\"
Fri Nov 20 00:03:00 CET 2009 [seqfan] detective work related to Creighton Dement's \"Floretions\"
Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"
Thu Aug 13 22:36:32 CEST 2009 [seqfan] Re: Rant on Maple code
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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