33591

Appears in sequences

• a(n) = 2*C(n) - 1, where C(n) = A000108(n) are the Catalan numbers.at n=10A131428
• Number of partitions of n into parts which are not digits of n in decimal representation.at n=54A136460
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-1111-0010 pattern in any orientation.at n=11A146699
• a(0) = 1; for n > 0, a(n) = 1 + Sum_{k = 1..n} 2^k a(floor(log_2(k))).at n=9A297621