40905

Appears in sequences

• Numbers that are the sum of 8 positive 9th powers.at n=20A003397
• Numbers k that divide the (right) concatenation of all numbers <= k written in base 3 (most significant digit on left).at n=34A029448
• Number of 0..n arrays x(0..4) of 5 elements without any two consecutive increases.at n=7A200787
• Fourier coefficients of the modular form (1/t_{6a}^3) * (1-12*sqrt(-3)/t_{6a})^(5/6) * F_{6a}^14.at n=7A341570
• Odd numbers k for which A003958(sigma(k)) = A003958(k), where A003958 is multiplicative with a(p^e) = (p-1)^e and sigma is the sum of divisors function.at n=2A351443