OFFSET
-1,3
LINKS
Andrew Howroyd, Table of n, a(n) for n = -1..200
PROG
(PARI) \\ here T(n, k) is A034851(n, k).
T(n, k) = {(1/2)*(binomial(n, k) + binomial(n%2, k%2) * binomial(n\2, k\2))}
seq(n)={my(a=vector(n+1)); a[1]=1; for(n=1, n, a[n+1]=sum(k=1, n, a[k]*T(n-1, k-1))); a} \\ Andrew Howroyd, Nov 06 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Gerald McGarvey, Feb 26 2005
EXTENSIONS
Terms a(12) and beyond from Andrew Howroyd, Nov 06 2019
STATUS
approved