92252160
domain: N
Appears in sequences
- Least k such that Sum_{i=1..k} gcd(k,i) = n * sigma(k).at n=39A072108
- Irregular triangle read by rows: T(n,m) = coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact period.at n=15A276816
- a(1)=2048. For n>1, a(n) is the LCM of a(n-1) and A140635(a(n-1)).at n=4A351162