34656

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 93.at n=36A031591
• Expansion of (1+x^2)/(1-x-x^5) = (1+x^2)/((1-x+x^2)*(1-x^2-x^3)).at n=38A098523
• Numbers k such that 2^k - k + 1 is prime.at n=17A100361
• Number of walks within N^2 (the first quadrant of Z^2) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, -1), (0, 1), (1, 0), (1, 1)}.at n=9A151372
• a(n) = 24*n^2.at n=38A195824
• Pairs of Pythagorean numbers differing by 6.at n=43A228875
• Upper Pythagorean twins.at n=21A228877
• Number of matchings in the n-Cameron graph.at n=1A387559