39451

Properties

Appears in sequences

• Number of planted trees where non-root, non-leaf nodes an even distance from root are of degree 2.at n=18A007562
• Trajectory of 1 under map n->33n+1 if n odd, n->n/2 if n even.at n=15A033972
• Primitive prime factors of the cyclotomic polynomial sequence Phi(5,k) in the order in which they occur.at n=32A256153
• Primes p such that 2*p + 59 is a square.at n=40A269789
• Numbers that are both prime-indexed primes and lucky-indexed lucky numbers.at n=22A307008
• Discriminants of imaginary quadratic fields with class number 37 (negated).at n=33A351675
• Primes p whose index has a submultiset of their decimal digits.at n=36A365678
• a(n) = sum for all integer partitions of n of the number of distinct multiplicities in each partition.at n=34A373271
• Expansion of g^2/(1 - x*g)^3, where g = 1+x*g^4 is the g.f. of A002293.at n=6A391276
• Prime numbersat n=4153