OFFSET
0,4
COMMENTS
See the comments in A292604.
FORMULA
F_{4; n}(x) = Sum_{k=0..n} A278074(n, k)*(x-1)^(n-k) for n>0 and F_{4; 0}(x) = 1.
EXAMPLE
Triangle starts:
[n\k][ 0 1 2 3 4 5]
--------------------------------------------------
[0] [ 1]
[1] [ 1, 0]
[2] [ 69, 1, 0]
[3] [ 33661, 988, 1, 0]
[4] [ 60376809, 2669683, 16507, 1, 0]
[5] [288294050521, 17033188586, 212734266, 261626, 1, 0]
MAPLE
PROG
CROSSREFS
Cf. A181985.
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Sep 26 2017
STATUS
approved