1066586

Appears in sequences

• Number of binary vectors of length n+1 beginning with 0 and containing just 1 singleton.at n=27A006367
• Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=13A279735
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero fourth powers in exactly 2 ways, or -1 if no such number exists.at n=19A374579