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A022473
Number of 2's in n-th term of
A022470
.
+0
1
1, 1, 1, 1, 2, 3, 4, 5, 7, 7, 11, 14, 16, 22, 34, 37, 56, 70, 94, 113, 161, 191, 252, 341, 435, 568, 762, 973
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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