90088

Appears in sequences

• Number of nX3 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=19A305511
• a(n) is the least integer k such that A350090(k) = 2*n-1 or -1 if no such k exists.at n=6A350120
• Indices that give distinct values of A350090 in the order in which they appear.at n=23A350193