22845

Appears in sequences

• Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(4,17).at n=6A022031
• Backwards shallow diagonal sums of Catalan triangle A009766.at n=10A030238
• a(n) is the smallest m such that the partial sum of the odd harmonic series Sum_{j=0..m} 1/(2j+1) is > n.at n=5A092315
• a(n) = smallest m such that value of odd harmonic series Sum_{j=0..m} 1/(2j+1) is >= n.at n=5A092318
• Expansion of 1/(1-x^2*c(x)), c(x) the g.f. of A000108.at n=12A132364
• a(n) is the least positive integer b such that b^(2^n) + (b-1)^(2^n) is prime.at n=16A253633
• T(m,n) is the least k such that the partial sum of the series Sum_{j=0..k} 1/(m*j+1) is > n, read by ascending antidiagonals.at n=26A337748