60345
domain: N
Appears in sequences
- Indices of primes in the sequence defined by A(0) = 13, A(n) = 10*A(n-1) + 23 for n > 0.at n=7A102019
- Numbers of the form 6^j + 9^k, for j and k >= 0.at n=38A226830
- a(n) = Sum_{k=1..n} phi(k) * (floor(n/k)^4 - floor((n-1)/k)^4).at n=24A344600
- Numbers that begin a run of 3 consecutive odd valued terms in A360519.at n=17A361112
- First component A of the pairs (A, B), listed in increasing order, such that the multiset of digits of A union the multiset of digits of B equals the multiset of digits of A^2 and the multiset of digits of B^2, for some B >= A. Note that terms may be repeated.at n=27A389379