32324

Appears in sequences

• Number of ways to partition 1 into distinct reduced fractions i/j with j <= n.at n=26A154888
• Number of 2Xn 0..1 arrays with exactly floor(2Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=13A222510
• Number of (n+2)X1 0..1 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=13A223645
• Numbers that are partial sums of the reverses of the sequence of primes and are reverses of primes.at n=11A381245