OFFSET
0,3
COMMENTS
(Sum of numbers in row n) = A000295(n+1) for n >= 0.
LINKS
Clark Kimberling, Rows n = 0..100, flattened
EXAMPLE
p(0,x) = 1
p(1,x) = 1 + 3*x
p(2,x) = 1 + 7*x + 3*x^2
First 6 rows:
1
1 3
1 7 3
1 12 10 3
1 18 22 13 3
1 25 40 35 16 3
MATHEMATICA
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Nov 07 2014
STATUS
approved