OFFSET
0,1
COMMENTS
LINKS
Peter Luschny, Remark regarding A344228 and A344321.
FORMULA
a(n) = A344228(n+1)*(n+1)*(n+2). - John Keith, May 23 2021
MAPLE
aList := proc(len) local gf, ser;
gf := 6*(8*x^3 + 3*x + 1) / (1 - 4*x)^(7/2):
ser := series(gf, x, len+2): seq(coeff(ser, x, n), n = 0..len) end:
aList(21);
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, May 16 2021
STATUS
approved