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A030738 Row 2, where, at stage k>1, write i in row 1 and j in row 2, where i is the number of j'2 in rows 1 and 2, for j=1,2,...,m, where m=max number in row 1 from stages 1 to k-1; stage 1 is 2 in row 1. 1
2, 1, 2, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A030737.

Sequence in context: A161298 A161273 A160977 * A114228 A230287 A168580

Adjacent sequences:  A030735 A030736 A030737 * A030739 A030740 A030741

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 20 02:06 EDT 2019. Contains 322291 sequences. (Running on oeis4.)