38664

Appears in sequences

• Number of binary strings of length n with equal numbers of 00101 and 10100 substrings.at n=16A164248
• a(n) = n*(3*n^2 - 5*n + 3).at n=24A226450
• Number of permutations of [n] avoiding {2143, 1423, 1234}.at n=10A294769
• a(n) = n! * [x^n] 1/(1 - x)^(n*x).at n=6A318615
• Numbers k such that A353802(k) / sigma(sigma(k)) is an integer > 1, where A353802(n) = Product_{p^e||n} sigma(sigma(p^e)).at n=25A353807