A361076 - cp's OEIS frontend

A361076 Array, read by ascending antidiagonals, whose n-th row consists of the powers of 2, if n = 1; of the primes of the form (2n-1)2^k+1, if they exist and n > 1; and of zeros otherwise.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	4
7	2
8	3
9	5
10	8
11	1
12	4
13	7
14	6
15	16
16	1
17	2
18	6
19	13
20	8
21	32
22	2
23	3
24	3
25	14
26	15
27	12
28	64
29	1
30	8
31	5
32	6
33	20
34	25
35	18
36	128
37	3
38	2
39	10
40	7
41	7
42	26
43	39
44	30
45	256
46	6
47	15
48	4
49	20
50	19
51	11
52	50
53	55
54	36
55	512
56	1
57	10
58	27
59	9
60	28
61	21
62	14
63	52
64	75
65	41
66	1024
67	1
68	4
69	46
70	51
71	10
72	82
73	43
74	17
75	92
76	85
77	66
78	2048

[1, 1, 2, 1, 2, 4, 2, 3, 5, 8, 1, 4, 7, 6, 16, 1, 2, 6, 13, 8, 32, 2, 3, 3, 14, 15, 12, 64, 1, 8, 5, 6, 20, 25, 18, 128, 3, 2, 10, 7, 7, 26, 39, 30, 256, 6, 15, 4, 20, 19, 11, 50, 55, 36, 512, 1, 10, 27, 9, 28, 21, 14, 52, 75, 41, 1024, 1, 4, 46, 51, 10, 82, 43, 17, 92, 85, 66, 2048]

cp's OEIS Frontend

A361076 Array, read by ascending antidiagonals, whose n-th row consists of the powers of 2, if n = 1; of the primes of the form (2n-1)2^k+1, if they exist and n > 1; and of zeros otherwise.

Table of values

List of values

cp's OEIS Frontend

A361076 Array, read by ascending antidiagonals, whose n-th row consists of the powers of 2, if n = 1; of the primes of the form (2*n-1)*2^k+1, if they exist and n > 1; and of zeros otherwise.

Table of values

List of values

A361076 Array, read by ascending antidiagonals, whose n-th row consists of the powers of 2, if n = 1; of the primes of the form (2n-1)2^k+1, if they exist and n > 1; and of zeros otherwise.