A156931 G.f. of the z^4 coefficients of the FP1 in the fifth column of the A156921 matrix.

126, 8689, 300930, 5663483, 69028169, 613038531, 4234224501, 23275739871, 98332765273, 250304681662, -554375755759, -13379311589392, -119762221369238, -826135093245122, -4949174987335110

Offset

3,1

Links

Table of n, a(n) for n=3..17.

Formula

G.f.: GF3(z;m=4) = z^3*(126-761*z-9285*z^2-1277673*z^3+46183284*z^4-696765279*z^5+5823518147*z^6-25089694147*z^7-12711864696*z^8+988743755109*z^9-7652560832135*z^10+35510543219541*z^11- 113638922483756*z^12+ 252348200449359*z^13-345027066386175*z^14+ 81356029034411*z^15+ 881468053442834*z^16- 2383892701491756*z^17+3430328807256360*z^18-2918614790283444*z^19+ 1018849254500448*z^20+712292304270640*z^21-1071408562243680*z^22+ 470620280404224*z^23+19240926537600*z^24-78111305206272*z^25+ 11628096196608*z^26+3657667166208*z^27+99851304960*z^28 )/((1-z)^13*(1-2*z)^10*(1-3*z)^7*(1-4*z)^4*(1-5*z))

Crossrefs

Cf. A156927

Equals fifth column of A156921

Other columns A156928, A156929, A156930

Sequence in context: A267835 A202652 A278624 * A075919 A278306 A180885

Adjacent sequences: A156928 A156929 A156930 * A156932 A156933 A156934

Keyword

easy,sign

Author

Johannes W. Meijer, Feb 20 2009

Status

approved