A384875 - cp's OEIS frontend

A384875 Irregular triangle T(n,k) = 2^(floor(n/3)-k) * nextprime(2^(n-2*(floor(n/3)-k))), with k = 0..floor(n/3)-1.

n	a(n)
3	6
4	10
5	22
6	20
7	34
8	44
9	74
10	68
11	134
12	88
13	148
14	262
15	136
16	268
17	514
18	296
19	524
20	1042
21	272
22	536
23	1028
24	2062
25	592
26	1048
27	2084
28	4106
29	1072
30	2056
31	4124
32	8198
33	1184
34	2096
35	4168
36	8212
37	16418
38	2144
39	4112
40	8248
41	16396
42	32822
43	4192
44	8336
45	16424
46	32836
47	65542
48	4288
49	8224
50	16496
51	32792
52	65644
53	131074

[6, 10, 22, 20, 34, 44, 74, 68, 134, 88, 148, 262, 136, 268, 514, 296, 524, 1042, 272, 536, 1028, 2062, 592, 1048, 2084, 4106, 1072, 2056, 4124, 8198, 1184, 2096, 4168, 8212, 16418, 2144, 4112, 8248, 16396, 32822, 4192, 8336, 16424, 32836, 65542, 4288, 8224, 16496, 32792, 65644, 131074]

cp's OEIS Frontend

A384875 Irregular triangle T(n,k) = 2^(floor(n/3)-k) * nextprime(2^(n-2*(floor(n/3)-k))), with k = 0..floor(n/3)-1.

Table of values

List of values