A174633 - cp's OEIS frontend

A174633 Let H(p) = ptau(p)/sigma(p). Numbers 2^(H(p) - 1)(2^H(p) - 1) where H(p) is an integer (i.e., p in A001599).

n	a(n)
1	1
2	6
3	28
4	496
5	2016
6	496
7	32640
8	130816
9	2096128
10	523776
11	8128
12	536854528
13	536854528
14	134209536
15	8589869056
16	140737479966720
17	140737479966720
18	2199022206976
19	33550336
20	137438691328
21	9007199187632128
22	562949936644096

[1, 6, 28, 496, 2016, 496, 32640, 130816, 2096128, 523776, 8128, 536854528, 536854528, 134209536, 8589869056, 140737479966720, 140737479966720, 2199022206976, 33550336, 137438691328, 9007199187632128, 562949936644096]

cp's OEIS Frontend

A174633 Let H(p) = ptau(p)/sigma(p). Numbers 2^(H(p) - 1)(2^H(p) - 1) where H(p) is an integer (i.e., p in A001599).

Table of values

List of values

cp's OEIS Frontend

A174633 Let H(p) = p*tau(p)/sigma(p). Numbers 2^(H(p) - 1)*(2^H(p) - 1) where H(p) is an integer (i.e., p in A001599).

Table of values

List of values

A174633 Let H(p) = ptau(p)/sigma(p). Numbers 2^(H(p) - 1)(2^H(p) - 1) where H(p) is an integer (i.e., p in A001599).