86160

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,41.at n=6A064257
• a(n+3) = floor( ( a(n) + 2*a(n+1) + 3*a(n+2) )/4 ), with a(0), a(1), a(2) equal to 0, 1, 2.at n=47A074732
• Sum of n-th antidiagonal of array in A081998.at n=31A082001
• Number of different fixed (possibly) disconnected trominoes bounded (not necessarily tightly) by an n*n square.at n=15A162673