OFFSET
1,3
LINKS
Rémy Sigrist, Colored scatterplot of the first 2^20 terms (where the color depends on the power of two appearing in the terms to be counted)
Rémy Sigrist, PARI program
EXAMPLE
As an irregular triangle this begins:
1;
1;
2;
2, 1;
3, 2;
4, 4;
4, 4, 2;
4, 5, 4;
5, 5, 7;
8, 6, 10;
8, 8, 11, 2;
9, 10, 11, 5;
12, 12, 12, 8;
12, 12, 15, 12;
13, 13, 19, 16;
16, 14, 21, 18, 2;
...
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn,base,tabf
AUTHOR
Rémy Sigrist, Nov 12 2023
STATUS
approved