25262

Appears in sequences

• a(1)=1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals prime(n).at n=38A070901
• a(0)=1; a(n) = sigma_1(n) + sigma_2(n) + sigma_3(n).at n=29A092347
• Number of practical numbers between powers of 2 where the practical numbers are A005153.at n=18A214932
• Number of n X 6 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 3.at n=23A239359
• Indices of primes in the 9th-order Fibonacci number sequence, A127193.at n=23A256498
• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=14A259003