OFFSET
0,1
REFERENCES
Andras Kornai, Mathematical Linguistics (Springer-Verlag 2008), p. 36. (Gives a sequence which matches the first five terms.)
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..930
MATHEMATICA
Table[2^(n+1)*LegendreP[n, 3], {n, 0, 40}] (* G. C. Greubel, May 22 2023 *)
PROG
(Magma) [2^(n+1)*Evaluate(LegendrePolynomial(n), 3): n in [0..40]]; // G. C. Greubel, May 22 2023
(SageMath) [2^(n+1)*gen_legendre_P(n, 0, 3) for n in range(41)] # G. C. Greubel, May 22 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric Bach (bach(AT)cs.wisc.edu), Oct 15 2009
EXTENSIONS
Offset changed by Petros Hadjicostas, Feb 09 2021
STATUS
approved