120095

Appears in sequences

• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 0100-1101-0111 pattern in any orientation.at n=15A147057
• 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, 1, -1), (1, 0, 1), (1, 1, 0)}.at n=9A150412
• Transform of the finite sequence (1, 0, -1, 0, 1, 0, -1) by the T_{1,0} transformation (see link).at n=14A159338
• Number of (n+4)X7 0..2 matrices with each 5X5 subblock idempotent.at n=11A224620
• Numbers n such that there is no other number k for which A155043(k) = A155043(n).at n=9A262509
• Parent nodes of nonzero terms of A262509: a(n) = A049820(A262509(n)).at n=9A262510