A309016 - cp's OEIS frontend

A309016 Superior 2-highly composite numbers: 3-smooth numbers (A003586) k for which there is a real number e > 0 such that d(k)/k^e >= d(j)/j^e for all 3-smooth numbers j, where d(k) is the number of divisors of k (A000005).

n	a(n)
1	1
2	2
3	6
4	12
5	24
6	72
7	144
8	288
9	864
10	1728
11	5184
12	10368
13	20736
14	62208
15	124416
16	373248
17	746496
18	1492992
19	4478976
20	8957952
21	26873856
22	53747712
23	107495424
24	322486272
25	644972544
26	1289945088
27	3869835264
28	7739670528
29	23219011584
30	46438023168
31	92876046336
32	278628139008
33	557256278016

[1, 2, 6, 12, 24, 72, 144, 288, 864, 1728, 5184, 10368, 20736, 62208, 124416, 373248, 746496, 1492992, 4478976, 8957952, 26873856, 53747712, 107495424, 322486272, 644972544, 1289945088, 3869835264, 7739670528, 23219011584, 46438023168, 92876046336, 278628139008, 557256278016]

cp's OEIS Frontend

A309016 Superior 2-highly composite numbers: 3-smooth numbers (A003586) k for which there is a real number e > 0 such that d(k)/k^e >= d(j)/j^e for all 3-smooth numbers j, where d(k) is the number of divisors of k (A000005).

Table of values

List of values