492203
domain: N
Appears in sequences
- a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 3.at n=19A049958
- Euler transform of reduced totient function psi(n), cf. A002322.at n=31A061257
- Composite numbers k such that k+A055012(k) is the cube of a prime.at n=9A328293