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A031247 a(n)=(# 1's)-(# 0's) in first n terms of A031235. 0
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; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..82.

CROSSREFS

Sequence in context: A324475 A189705 A303601 * A062575 A073188 A269225

Adjacent sequences:  A031244 A031245 A031246 * A031248 A031249 A031250

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 19 21:17 EDT 2019. Contains 328229 sequences. (Running on oeis4.)