128233
domain: N
Appears in sequences
- Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) with a(0) = a(1) = a(2) = a(3) = 1.at n=20A000288
- Number of proper factorizations of p1^n*p2^5, where p1 and p2 are distinct primes.at n=20A031128
- Number of binary strings of length n with equal numbers of 01001 and 10101 substrings.at n=18A164260
- Number of 0..n arrays of length 4 with 0 never adjacent to n.at n=17A212837