OFFSET
1,2
COMMENTS
EXAMPLE
Table begins:
1,
2,1,
3,4,3,1,
4,5,7,5,3,1,
5,11,19,24,26,22,16,9,4,1,
6,7,15,18,23,21,21,15,11,6,3,1,
7,15,32,52,77,99,120,128,130,119,102,79,57,36,21,10,4,1,
Polynomials begin:
-(1*x^1)/(x^1-1)
-(2*x^2+1*x)/(x^2-1)
-(3*x^4+4*x^3+3*x^2+1*x^1)/(x^4+x^3-x^1-1)
-(4*x^6+5*x^5+7*x^4+5*x^3+3*x^2+1*x^1)/(x^6+x^5+x^4-x^2-x^1-1)
PROG
(PARI) row(n) = v = Vec(numerator(sum(k=1, n, x^k/(1-x^k)))); for (k=1, #v-1, print1(abs(v[k]), ", ")); /*print*/; \\ Michel Marcus, Jun 11 2014
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Mats Granvik, Mar 07 2011
EXTENSIONS
More terms from Michel Marcus, Jun 11 2014
STATUS
approved