346801
domain: N
Appears in sequences
- Quasi-Carmichael numbers to base 4: squarefree composites n such that (n,2*3) = 1 and prime p|n ==> p-4|n-4.at n=8A029559
- Number of solenoidal flows (flow in = flow out) in a 3 X 3 square array with integer velocities -n .. n.at n=15A068722
- Pentagonal numbers for which both the sum of the digits and the product of the digits are pentagonal numbers.at n=28A117711
- Number of (w,x,y,z) with all terms in {1,...,n} and w > |x-y| + |y-z|.at n=31A212674
- All integers k that can produce a closed walk in an equilateral triangular lattice via noncongruent primitive k-length diagonals, in ascending order.at n=23A387031