38887

Appears in sequences

• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 2X3 U in any orientation.at n=10A146057
• Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 2X3 U in any orientation.at n=23A146059
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, -1), (0, 1, 0), (1, -1, 1)}.at n=10A148411
• Numbers k with property that 6*k+1 is prime and uses only digits 2 and 3.at n=5A153166
• a(n) = pi(phi(p(P(n)))) = A000720(A000010(A000041(A000040(n)))).at n=17A247087