OFFSET
4,2
REFERENCES
F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 264.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
FORMULA
Conjecture: D-finite with recurrence a(n) +(-n-3)*a(n-1) +3*(n-2)*a(n-2) +2*(n-1)*a(n-3) +(-6*n+17)*a(n-4) +(-n+5)*a(n-5) +3*(n-4)*a(n-6)=0. - R. J. Mathar, Jul 01 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Vladeta Jovovic, Nov 21 2007
STATUS
approved