OFFSET
0,10
EXAMPLE
G.f. = 1 + x + x^2 + x^3 + x^4 + x^5 + x^6 + x^7 + x^8 + 2*x^9 + 3*x^10 + 4*x^11 + 5*x^12 + ...
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Aug 18 2017
STATUS
approved