123462
domain: N
Appears in sequences
- Starting positions of strings of four 2's in the decimal expansion of Pi.at n=15A083607
- a(n) = n^4 - n^3.at n=19A085537
- a(n) = n*(n + 1)^3.at n=18A085540
- Positions of records in A110566.at n=22A112809
- a(n) = p^3*(p-1), where p = prime(n).at n=7A138403
- a(n) = phi(n^4).at n=18A189393
- Number of lower triangles of a 4 X 4 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=18A194933
- Number of (w,x,y,z) with all terms in {0,...,n}, w, x and y odd, and z odd.at n=36A212764
- Sum of the partition parts of 3n into 3 parts.at n=37A235988
- Binomial(2n, n) - 2 mod n^4.at n=18A246134
- Square array A(n, k) read by antidiagonals downwards: multiplicative order of 2 modulo prime(n)^k, where k runs over the positive integers.at n=51A282902
- a(n) = Sum_{d|n} max(d, n/d)^3.at n=37A297842
- Sum of even integers <= n times the sum of odd integers <= n.at n=37A330520
- a(n) is the number of numbers of the form k + reverse(k) for at least one n-digit number k.at n=7A358985