Number of binary codes of length 5 with n words.
1, 1, 5, 10, 47, 131, 472, 1326, 3779, 9013, 19963, 38073, 65664, 98804, 133576
2 seqfan posts
Mon Jan 11 05:06:02 CET 2010 [seqfan] A005646 now extended to 12 terms.
Sat Jan 2 11:32:44 CET 2010 [seqfan] Correction to extension of A005646: A(11)=5236991
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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