25709

Appears in sequences

• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24.at n=58A051965
• a(n) is the number of numbers m such that the number of iterations of r -> r - (largest divisor d < r) needed to reach 1 starting at r = m is equal to n.at n=21A175125
• 0-sequence of reduction of binomial coefficient sequence B(n,4)=A000332 by x^2 -> x+1.at n=9A192248
• Number of partitions of n such that 2*(greatest part) > (number of parts).at n=38A237754
• Numbers n such that n^1024 + (n+1)^1024 is prime.at n=43A274234
• Sum of the fifth largest parts in the partitions of n into 7 parts.at n=48A308929
• Number of separable partitions of n in which the number of distinct (repeatable) parts is > 3.at n=39A325718