102974

Appears in sequences

• Companion sequence to A103683: a(n) = k if A103683(k) = n; a(n) = 0 if n is not in {A103683}.at n=47A105214
• Number of n X 6 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=10A280552