61043

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(251).at n=8A041470
• Primes prime(k) such that the sum of the squares of digits of prime(k) equals the sum of the squares of digits of k.at n=29A193255
• The number of length 2n - 1 strings over the alphabet {0, 1} such that the first half of any initial odd length substring is a permutation of the second half.at n=23A297789
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) < d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=19A299640
• Prime numbersat n=6150