login

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”).

A030707
The first list after the following procedure: starting with a list [1] and an empty list, repeatedly add the distinct values already in both lists in ascending order to the second list and add the corresponding frequencies of those values to the first list.
13
1, 1, 3, 4, 1, 6, 2, 1, 8, 1, 3, 2, 1, 11, 3, 5, 3, 2, 1, 13, 5, 8, 4, 1, 3, 2, 1, 16, 7, 10, 6, 3, 4, 4, 2, 1, 18, 9, 12, 9, 4, 6, 1, 5, 1, 3, 2, 1, 22, 11, 14, 11, 6, 8, 2, 6, 2, 2, 4, 1, 3, 2, 1, 25, 16, 16, 13, 7, 11, 3, 8, 3, 3, 7, 2, 4, 1, 3, 2, 1, 28, 19, 21
OFFSET
1,3
LINKS
Sean A. Irvine, Java program (github)
CROSSREFS
Cf. A030708 (2nd list).
Sequence in context: A342915 A276433 A343226 * A349629 A254525 A132179
KEYWORD
nonn
EXTENSIONS
Name revised in line with A030777 by Peter Munn, Oct 08 2022
STATUS
approved