155212

Appears in sequences

• Number of different strings of length n obtained from "abcdef" by iteratively duplicating any substring.at n=15A137746
• a(n) = Hermite(n,10).at n=4A158534
• The 4th Hermite Polynomial evaluated at n: H_4(n) = 16n^4 - 48n^2 + 12.at n=10A163323