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A364634
a(n) = n * LegendreP(n, 3).
2
0, 3, 26, 189, 1284, 8415, 53934, 340473, 2125832, 13163067, 80974530, 495513909, 3019151628, 18329137047, 110933875542, 669635727345, 4032883785744, 24239190315123, 145427707041642, 871139168383917, 5210876275948820, 31129900498786383, 185755111545655806
OFFSET
0,2
FORMULA
a(n) = A364361(2*n, n).
MAPLE
A364634 := n -> n*LegendreP(n, 3):
seq(A364634(n), n = 0..22);
CROSSREFS
Cf. A364361.
Sequence in context: A226351 A091262 A331862 * A121121 A355047 A228116
KEYWORD
nonn
AUTHOR
Peter Luschny, Jul 30 2023
STATUS
approved