OFFSET
1,1
COMMENTS
The index sequence of this one is 1, 2, 3, 6, 7, 13, 15, 24, 30, 33, 49, 54, 58, 63, 72, 81, 96, 120, 127, 148, 151, 163, 172, 193, 201, 232, 256, 262, 271, 282, 301, 309, 345, 348, 352, 360, 396.
CROSSREFS
KEYWORD
nonn
AUTHOR
Arkadiusz Wesolowski, Oct 19 2011
STATUS
approved