326864
domain: N
Appears in sequences
- Number of (n+4)X11 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock.at n=13A186607
- Coefficients in q-expansion of (E_2^3 - E_2*E_4)/288, where E_2 and E_4 are the Eisenstein series shown in A006352 and A004009, respectively.at n=16A282020
- Numbers n such that n and n+1 are primitive abundant.at n=2A283418
- Numbers k such that k and k+1 both have an odd number of abundant divisors.at n=22A381548