64790
domain: N
Appears in sequences
- Degrees of irreducible representations of O'Nan group ON.at n=15A003919
- Degrees of irreducible representations of O'Nan group ON.at n=16A003919
- Numbers k such that phi(k)*sigma(k) is a cube.at n=20A114077
- Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k UDL's (n >= 0; 0 <= k <= floor((n+1)/2)).at n=37A128728
- Number of 1..16 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.at n=3A171290
- Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3.at n=15A171341
- Squarefree nonprimes n with a divisor d such that phi(n) divides n+d.at n=31A217741
- Squarefree numbers which yield zero when their prime factors are xored together.at n=35A235488
- a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence.at n=37A351689