49071

Appears in sequences

• a(n)=a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.at n=37A050067
• Numbers k such that k^2 +/- (k-1) and (k-1)*k^2 +/- 1 are all primes.at n=38A239326
• Integers n of the form 8k+7 that are sum of distinct squares of the form m, m+1, m+2, m+4, where m == 1 (mod 4).at n=27A243578
• Expansion of 1/(1 - x*Product_{k>=1} (1 + x^k)/(1 - x^k)).at n=11A299108