0,1
Table of n, a(n) for n=0..15.
Index entries for linear recurrences with constant coefficients, signature (6, -15, 20, -15, 6, -1).
Sequence in context: A017165 A017381 A017501 * A203653 A016762 A305931
Adjacent sequences: A017630 A017631 A017632 * A017634 A017635 A017636
nonn,easy
N. J. A. Sloane.
approved