22090
domain: N
Appears in sequences
- McKay-Thompson series of class 38a for Monster.at n=49A058658
- Smallest number such that GCD of EulerPhi of 2 consecutive integer equals 2n.at n=46A063444
- Expansion of (b(q^6) * c(q^6)) / (b(q^3) * c(q^3)) in powers of q where b(), c() are cubic AGM theta functions.at n=25A102315
- Ulam's spiral (SSW spoke).at n=37A143838
- Floor of the expected value of number of trials until exactly four cells are empty in a random distribution of n balls in n cells.at n=25A210115
- Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8.at n=8A252046
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8.at n=36A252053