A030602 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A030602

a(n)=(# 1's)-(# 2's) in first n terms of A030588.

1, 1, 1, 2, 3, 4, 4, 5, 5, 4, 5, 4, 4, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 8, 9, 9, 9, 10, 10, 10, 11, 12, 13, 14, 15, 15, 16, 17, 17, 18, 17, 18, 19, 18, 18, 19, 18, 18, 19, 19, 20, 21, 21, 21, 22, 22, 22, 23, 23, 24, 25

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..73.

CROSSREFS

Sequence in context: A088527 A343400 A372599 * A133947 A082090 A060197

Adjacent sequences: A030599 A030600 A030601 * A030603 A030604 A030605

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved