68760
domain: N
Appears in sequences
- Number of length 3 walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.at n=40A064043
- Numbers n where either n or n+1 is divisible by the numbers from 1 to 12.at n=18A131662
- Arises in enumerating non-degenerate colorings in Brook's Theorem.at n=14A152390
- Smallest number k such that prime(n) divides the n-th divisor of k.at n=41A226101
- Larger of semi-unitary amicable numbers pair: numbers (m, n) such that susigma(m) = susigma(n) = m + n, where susigma(n) is the sum of the semi-unitary divisors of n (A322485).at n=12A322542
- Larger of modified exponential amicable pairs.at n=10A323759
- Triangle read by rows: T(n, k) = [x^k] Sum_{j=0..n} FallingFactorial(n, j)*RisingFactorial(x, j).at n=25A391008