OFFSET
1,5
FORMULA
Q(n, k) = P(n+1, 1) - P(n, k), P given by A027293.
EXAMPLE
Triangle begins:
0,
1, 1,
1, 2, 2,
2, 3, 4, 4,
2, 4, 5, 6, 6,
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
STATUS
approved