26504

Appears in sequences

• Numbers that are the sum of 9 nonzero 8th powers.at n=35A003387
• 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 81.at n=37A031579
• Number of (binary) bit strings of length n in which no even block of 0's is followed by an odd block of 1's.at n=16A065455
• Numbers k such that k^2+1, (k+2)^2+1 and (k+6)^2+1 are prime.at n=40A302021
• Triples (a,b,c) such that (a+b+c)^3 = concat(a,b,c), a, b, c > 0, ordered by size of this value.at n=38A328199
• Sum, over all binary strings w of length n, of the length of the longest border of w.at n=13A331393