OFFSET
1,2
FORMULA
G.f.: (1 + 2x + 3x^2 + 3x^3 + 5x^4 + 3x^5 + 7x^6 + 2x^7 + 7x^8 + 6x^9 +5x^10 + 3x^11 + 3x^12 + x^13 + x^14)/(1-x^8)^2
MATHEMATICA
f[n_] := f[n] = Block[{a}, a[0] = 1; a[l_] := a[l] = Block[{k = 1, s = Sum[ a[i]*x^i, {i, 0, l - 1}]}, While[ IntegerQ[ Last[ CoefficientList[ Series[(s + k*x^l)^(1/n), {x, 0, l}], x]]] != True, k++ ]; k]; Table[a[j], {j, 0, 128}]]; g[n_, m_] := f[n][[m]]; Table[g[n, 4 + 1], {n, 75}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna and Robert G. Wilson v, Aug 01 2005
STATUS
approved