26946

Appears in sequences

• Numbers n such that n^2048 + 1 is prime (a generalized Fermat prime).at n=9A088361
• Number of base-3 pyramids of height n.at n=23A186507
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2+x^2+y^2>=n.at n=30A211641
• Number of odd parts in the partitions of n into 7 parts.at n=48A309622
• a(n) is the least k such that A345468(k) = 2*n-1.at n=48A345469