92338836390
domain: N
Appears in sequences
- a(n) = number of integer strings s(0),...,s(n) counted by array T in A026386 that have s(n)=0; also a(n) = T(2n,n).at n=16A026387
- Self-convolution of array T given by A026374.at n=17A026946
- Self-convolution of array T given by A026386.at n=17A026951
- a(0)=1; for n>0, a(n) = 2*5^(n-1) - (1/2)*Sum_{i=1..n-1} a(i)*a(n-i).at n=17A085362