26457

Appears in sequences

• Numerators of continued fraction convergents to sqrt(827).at n=5A042596
• Numbers n such that p = n^2 + 2, p+2 and p+6 are consecutive primes.at n=32A086380
• Numbers k such that (1_100.2_200.3_300 ... 8_800.9_900)*10^k + 1 is prime, i.e., 1 repeated 100 times, concatenated with 2 repeated 200 times, etc.at n=6A108055
• Number of undirected circular permutations i_0, i_1, ..., i_n of 0, 1, ..., n such that all the n+1 numbers |i_0^2-i_1^2|, |i_1^2-i_2^2|, ..., |i_{n-1}^2-i_n^2|, |i_n^2-i_0^2| are of the form (p-1)/2 with p an odd prime.at n=12A229005
• Lexicographically earliest sequence of nonnegative integers such that two distinct terms differ by at least 4 decimal digits.at n=24A346000