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Search: id:A031247
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A031247 a(n)=(# 1's)-(# 0's) in first n terms of A031235. +0
1
1, 1, 1, 1, 0, 1, 2, 3, 3, 4, 4, 5, 5, 6, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 5, 6, 5, 6, 6, 5, 6, 6, 5, 6, 6, 5, 6, 5, 6, 7, 8, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 16, 15, 15, 16, 17, 17, 18, 18, 18 (list; graph; listen)
OFFSET

1,7

CROSSREFS

Sequence in context: A143502 A070984 A134995 this_sequence A062575 A073188 A047740

Adjacent sequences: A031244 A031245 A031246 this_sequence A031248 A031249 A031250

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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