OFFSET

1,7

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..251 (The first 55 generations)

EXAMPLE

Triangle begins:

1,

0, 1,

1, 1,

1, 2,

2, 3,

5, 4,

9, 5, 1,

15, 6, 2, 1,

26, 7, 3, 3,

42, 9, 4, 7,

67, 12, 6, 12, 1,

108, 16, 11, 18, 3,

...

CROSSREFS

KEYWORD

nonn,tabf

AUTHOR

N. J. A. Sloane, Jan 31 2019

EXTENSIONS

a(23)-a(68) from Lars Blomberg, Feb 13 2019

STATUS

approved