268204domain: NAppears in sequencesNumber of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000011.at n=11A259720Number of powerful numbers that are not powers of primes (i.e. are in A286708) that do not exceed 2^n.at n=34A380431