OFFSET
0,1
COMMENTS
See the entry A273317 for more details.
Row n has 2^n entries.
EXAMPLE
The triangle begins:
2,
3, 6,
4, 7, 12, 42,
5, 8, 13, 20, 43, 56, 156, 1806,
6, 9, 14, 21, 30, 44, 57, 72, 157, 182, 420, 1807, 1892, 3192, 24492, 3263442,
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Tom Edgar, May 20 2016
STATUS
approved