A104016 - cp's OEIS frontend

A104016 Devaraj numbers: squarefree r-prime-factor (r>1) integers N=p1...pr such that phi(N)=(p1-1)...(pr-1) divides gcd(p1-1,...,pr-1)^2*(N-1)^(r-2).

n	a(n)
1	561
2	1105
3	1729
4	2465
5	2821
6	6601
7	8911
8	10585
9	11305
10	15841
11	29341
12	39865
13	41041
14	46657
15	52633
16	62745
17	63973
18	75361
19	96985
20	101101
21	115921
22	126217
23	162401
24	172081
25	188461
26	252601
27	278545
28	294409
29	314821
30	334153
31	340561
32	399001
33	401401
34	410041

[561, 1105, 1729, 2465, 2821, 6601, 8911, 10585, 11305, 15841, 29341, 39865, 41041, 46657, 52633, 62745, 63973, 75361, 96985, 101101, 115921, 126217, 162401, 172081, 188461, 252601, 278545, 294409, 314821, 334153, 340561, 399001, 401401, 410041]

cp's OEIS Frontend

A104016 Devaraj numbers: squarefree r-prime-factor (r>1) integers N=p1...pr such that phi(N)=(p1-1)...(pr-1) divides gcd(p1-1,...,pr-1)^2*(N-1)^(r-2).

Table of values

List of values

cp's OEIS Frontend

A104016 Devaraj numbers: squarefree r-prime-factor (r>1) integers N=p1*...*pr such that phi(N)=(p1-1)*...*(pr-1) divides gcd(p1-1,...,pr-1)^2*(N-1)^(r-2).

Table of values

List of values

A104016 Devaraj numbers: squarefree r-prime-factor (r>1) integers N=p1...pr such that phi(N)=(p1-1)...(pr-1) divides gcd(p1-1,...,pr-1)^2*(N-1)^(r-2).