OFFSET
1,2
COMMENTS
Every positive integer occurs exactly once, so that as a sequence, this is a permutation of the positive integers.
LINKS
EXAMPLE
Northwest corner:
1 2 5 10 21 42 85
3 4 6 9 11 12 13
7 8 14 17 23 24 28
15 16 30 33 47 48 60
31 32 62 65 95 96 124
63 64 126 129 191 192 252
***
Base-2 digits of 23: 1,0,1,1,1, with run 1,1,1, of maximal length 3, so that 23 is in row 3.
MATHEMATICA
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Apr 10 2018
STATUS
approved