A225501 Expansion of 1/(1 - x^4 - x^5 - x^6 - x^7 - x^8 + x^12).
1, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 15, 20, 27, 36, 46, 61, 80, 106, 139, 183, 241, 317, 417, 549, 722, 950, 1251, 1646, 2166, 2849, 3750, 4935, 6494, 8545, 11245, 14797, 19472, 25623, 33718, 44370, 58387
Offset: 0
Links
- G. C. Greubel, Table of n, a(n) for n = 0..1000
- Index entries for linear recurrences with constant coefficients, signature (0,0,0,1,1,1,1,1,0,0,0,-1).
Programs
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Mathematica
CoefficientList[Series[1/(1 - x^4 - x^5 - x^6 - x^7 - x^8 + x^12), {x, 0, 50}], x] LinearRecurrence[{0,0,0,1,1,1,1,1,0,0,0,-1}, {1,0,0,0,1,1,1,1,2,2,3,4}, 50] (* G. C. Greubel, Nov 16 2016 *) -
PARI
Vec(1/(1 - x^4 - x^5 - x^6 - x^7 - x^8 + x^12) + O(x^50)) \\ G. C. Greubel, Nov 16 2016
Comments