54411

Appears in sequences

• Number of reduced words of length n in Coxeter group on 7 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.at n=6A163923
• Numbers n such that (n^6 + 1091)/4 is prime.at n=27A181112
• Numbers k such that the sum of the divisors of k and the sum of the distinct prime divisors of k are both a square.at n=39A194196
• Number of -1..1 arrays of n elements with first, second and third differences also in -1..1.at n=25A202117
• Digitally balanced numbers (A031443) whose squares and cubes are also digitally balanced.at n=18A353140