A139247 - cp's OEIS frontend

A139247 Triangle read by rows: row n lists the divisors of n-th perfect number A000396(n) that are multiples of n-th Mersenne prime A000668(n).

n	a(n)
1	3
2	6
3	7
4	14
5	28
6	31
7	62
8	124
9	248
10	496
11	127
12	254
13	508
14	1016
15	2032
16	4064
17	8128
18	8191
19	16382
20	32764
21	65528
22	131056
23	262112
24	524224
25	1048448
26	2096896
27	4193792
28	8387584
29	16775168
30	33550336
31	131071
32	262142
33	524284
34	1048568
35	2097136
36	4193792

[3, 6, 7, 14, 28, 31, 62, 124, 248, 496, 127, 254, 508, 1016, 2032, 4064, 8128, 8191, 16382, 32764, 65528, 131056, 262112, 524224, 1048448, 2096896, 4193792, 8387584, 16775168, 33550336, 131071, 262142, 524284, 1048568, 2097136, 4193792]

cp's OEIS Frontend

A139247 Triangle read by rows: row n lists the divisors of n-th perfect number A000396(n) that are multiples of n-th Mersenne prime A000668(n).

Table of values

List of values