A167337 Totally multiplicative sequence with a(p) = 2*(5p+1) = 10p+2 for prime p.
1, 22, 32, 484, 52, 704, 72, 10648, 1024, 1144, 112, 15488, 132, 1584, 1664, 234256, 172, 22528, 192, 25168, 2304, 2464, 232, 340736, 2704, 2904, 32768, 34848, 292, 36608, 312, 5153632, 3584, 3784, 3744, 495616, 372, 4224, 4224, 553696, 412, 50688
Offset: 1
Links
- G. C. Greubel, Table of n, a(n) for n = 1..1000
Programs
-
Mathematica
a[1] = 1; a[n_] := (fi = FactorInteger[n]; Times @@ ((5*fi[[All, 1]] + 1)^fi[[All, 2]])); Table[a[n]*2^PrimeOmega[n], {n, 1, 100}] (* G. C. Greubel, Jun 06 2016 *) f[p_, e_] := (10*p+2)^e; a[1] = 1; a[n_] := Times @@ f @@@ FactorInteger[n]; Array[a, 100] (* Amiram Eldar, Oct 19 2023 *)