31218
domain: N
Appears in sequences
- Convolution of natural numbers >= 3 and Fibonacci numbers.at n=17A023552
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 0), (0, 0, -1), (0, 1, 1), (1, 0, 1)}.at n=8A150483
- Number of binary strings of length n with equal numbers of 0000 and 0001 substrings.at n=16A164147
- Numbers k that divide the k-th companion Pell number.at n=38A372899