43816

Appears in sequences

• Structured tetrakis hexahedral numbers (vertex structure 5).at n=23A100174
• Site series for first parallel moment of 4.8 (bathroom tile) lattice.at n=31A120558
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any element at a city block distance of two, and containing the value n(n+1)/2-2.at n=23A212031
• a(0)=0; for n > 0, a(n) = 2*a(n-1) if n-1 is prime, a(n-1) + 1 otherwise.at n=46A354973