OFFSET
1,2
FORMULA
Conjecture: D-finite with recurrence 3*(n+1)*(18*n-85)*a(n) +(292*n^2-1316*n-255)*a(n-1) +(-218*n^2+1213*n-1056)*a(n-2) +2*(-248*n^2+1666*n-2223)*a(n-3) +(-50*n^2-497*n+3243)*a(n-4) +(-52*n^2+80*n+765)*a(n-5) +3*(22*n-83)*(n-6)*a(n-6)=0. - R. J. Mathar, Jun 24 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved