A111344 - cp's OEIS frontend

A111344 Pierpont 4-almost primes: numbers with exactly 4 prime divisors, not necessarily distinct, of the form 2^K*3^L + 1.

n	a(n)
1	513
2	13825
3	32769
4	59050
5	110593
6	157465
7	177148
8	186625
9	262145
10	279937
11	497665
12	1259713
13	1327105
14	2097153
15	2125765
16	2519425
17	4718593
18	4782970
19	5668705
20	6718465
21	17915905
22	18874369
23	22674817
24	33554433
25	38263753
26	56623105

[513, 13825, 32769, 59050, 110593, 157465, 177148, 186625, 262145, 279937, 497665, 1259713, 1327105, 2097153, 2125765, 2519425, 4718593, 4782970, 5668705, 6718465, 17915905, 18874369, 22674817, 33554433, 38263753, 56623105]

cp's OEIS Frontend

A111344 Pierpont 4-almost primes: numbers with exactly 4 prime divisors, not necessarily distinct, of the form 2^K*3^L + 1.

Table of values

List of values