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A030768 Row 2, where, at stage k>1, write i in row 1 and j in row 2, where i is the number of j's in rows 1 and 2, for j=m,m-1,...2,1, where m=max number in row 1 from stages 1 to k-1; stage 1 is 2 in row 1. 0
2, 2, 1, 2, 1, 4, 3, 2, 1, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 9, 8, 7, 6, 5, 4, 3, 2, 1, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 15, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 18, 16, 15, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 21, 19, 18, 16, 15, 13, 12, 11, 10, 9, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..80.

CROSSREFS

Sequence in context: A109909 A254573 A144387 * A051480 A071572 A172176

Adjacent sequences:  A030765 A030766 A030767 * A030769 A030770 A030771

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 25 03:12 EDT 2022. Contains 356953 sequences. (Running on oeis4.)