OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
Pierpaolo Natalini, Paolo Emilio Ricci, New Bell-Sheffer Polynomial Sets, Axioms 2018, 7(4), 71.
Wikipedia, Partition of a set
Index entries for linear recurrences with constant coefficients, signature (6,-6,-4,-3,-28,54,16,-16,6,-30,-4,13,0,2,0,-1).
FORMULA
MATHEMATICA
CoefficientList[Series[-(x^15+x^14-x^13-12x^11-10x^10+17x^9+5x^8+20x^7+19x^6-31x^5- 4x^4- 3x^3-2x^2+5x-1)/((x^6+x^5-x^4-3x^2-x+1)(x^10-x^9-x^7-9x^6+10x^5+9x^4-7x^3+ 4x^2- 5x+1)), {x, 0, 30}], x] (* or *) LinearRecurrence[{6, -6, -4, -3, -28, 54, 16, -16, 6, -30, -4, 13, 0, 2, 0, -1}, {1, 1, 2, 5, 15, 52, 203, 825, 3442, 14589, 62361, 267663, 1151563, 4960725, 21384434, 92216247}, 30] (* Harvey P. Dale, Jan 05 2024 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, May 22 2017
STATUS
approved