50535

Appears in sequences

• Number of permutations that are 2 "block reversals" away from 12...n.at n=21A007972
• n is equal to the number of 2's in all numbers <= n written in base 6.at n=9A014891
• Numbers k such that 147*2^k+1 is prime.at n=32A032423
• Number of n X 4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=5A222569
• T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=41A222573
• Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=3A222578
• a(n) = floor(b(n)), where b(n) = b(n-1)^(5/2), b(1) = 2.at n=3A254405