37416

Appears in sequences

• Expansion (1+x^3)/(1-x-x^7).at n=48A098527
• a(n) = Sum_{k=1..n-1} k*A110971(n,k).at n=12A152086
• Number of zig-zag paths from top to bottom of an n X n square whose color is that of the top right corner.at n=13A153334
• Number of zig-zag paths from top to bottom of an n X n square whose color is not that of the top right corner.at n=13A153335
• Number of zig-zag paths from top to bottom of a 2n by 2n square whose color is that of the top right corner.at n=6A153336
• a(n) = the smallest k such that k^2+1 = p*A002144(n)^2, p prime of A002144 .at n=20A174492
• Numbers n such that n^2 + 1 has two distinct prime divisors less than n.at n=30A263876