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A031265 a(n)=(# 1's)-(# 0's) in first n terms of A031253. 1
1, 1, 2, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 4, 4, 4, 5, 4, 3, 4, 3, 3, 4, 3, 3, 4, 5, 6, 7, 8, 8, 9, 9, 8, 9, 9, 9, 10, 10, 10, 11, 11, 12, 13, 13, 13, 14, 14, 13, 14, 14, 14, 15, 15, 15, 15, 14, 15, 15, 14, 14, 14, 15, 14, 14, 15, 15, 15, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..75.

CROSSREFS

Sequence in context: A158925 A262868 A259357 * A029202 A173894 A285870

Adjacent sequences:  A031262 A031263 A031264 * A031266 A031267 A031268

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 17 18:14 EST 2020. Contains 330987 sequences. (Running on oeis4.)