The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A030708 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=1,2,...,m, where m=max number in row 1 for stages 1 to j-1; stage 1 is 1 in row 1. 5
 1, 1, 1, 3, 1, 3, 4, 1, 2, 3, 4, 6, 1, 2, 3, 4, 6, 8, 1, 2, 3, 4, 5, 6, 8, 11, 1, 2, 3, 4, 5, 6, 8, 11, 13, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 22, 1, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Sean A. Irvine, Table of n, a(n) for n = 1..1000 CROSSREFS Cf. A030707 (row 1). Sequence in context: A283484 A130560 A088105 * A095709 A076152 A107638 Adjacent sequences:  A030705 A030706 A030707 * A030709 A030710 A030711 KEYWORD nonn AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 19 21:57 EDT 2021. Contains 343117 sequences. (Running on oeis4.)