19066

Appears in sequences

• a(n) = T(n,n), T given by A026584. Also a(n) is the number of integer strings s(0), ..., s(n) counted by T, such that s(n)=0.at n=13A026585
• Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 3 (mod 5).at n=48A035564
• Numbers n such that 51*2^n-1 is prime.at n=24A050551
• Expansion of Product_{k>=1} (1 + x^k*A005185(k)).at n=26A147879
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.at n=10A195975
• Number of distinct lines passing through 3 or more points in an n X n grid.at n=26A225606
• a(n) = smallest k such that li(k) - pi(k) >= n, where li(k) is the logarithmic integral and pi(x) is the number of primes <= x.at n=29A359145