A227697 - cp's OEIS frontend

A227697 Numbers of the form ((p^2 + q^2)/2 - 1)/4, where p and q are odd primes.

n	a(n)
1	2
2	4
3	6
4	7
5	9
6	12
7	16
8	18
9	21
10	22
11	24
12	27
13	30
14	36
15	37
16	39
17	42
18	46
19	48
20	51
21	57
22	60
23	66
24	67
25	69
26	72
27	81
28	87
29	90
30	102
31	106
32	108
33	111
34	120
35	121
36	123
37	126
38	132
39	135
40	141
41	150
42	156
43	165
44	171
45	172
46	174
47	177
48	186
49	192
50	207
51	210

[2, 4, 6, 7, 9, 12, 16, 18, 21, 22, 24, 27, 30, 36, 37, 39, 42, 46, 48, 51, 57, 60, 66, 67, 69, 72, 81, 87, 90, 102, 106, 108, 111, 120, 121, 123, 126, 132, 135, 141, 150, 156, 165, 171, 172, 174, 177, 186, 192, 207, 210]

cp's OEIS Frontend

A227697 Numbers of the form ((p^2 + q^2)/2 - 1)/4, where p and q are odd primes.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	7
5	9
6	12
7	16
8	18
9	21
10	22
11	24
12	27
13	30
14	36
15	37
16	39
17	42
18	46
19	48
20	51
21	57
22	60
23	66
24	67
25	69
26	72
27	81
28	87
29	90
30	102
31	106
32	108
33	111
34	120
35	121
36	123
37	126
38	132
39	135
40	141
41	150
42	156
43	165
44	171
45	172
46	174
47	177
48	186
49	192
50	207
51	210

n	a(n)
1	2
2	4
3	6
4	7
5	9
6	12
7	16
8	18
9	21
10	22
11	24
12	27
13	30
14	36
15	37
16	39
17	42
18	46
19	48
20	51
21	57
22	60
23	66
24	67
25	69
26	72
27	81
28	87
29	90
30	102
31	106
32	108
33	111
34	120
35	121
36	123
37	126
38	132
39	135
40	141
41	150
42	156
43	165
44	171
45	172
46	174
47	177
48	186
49	192
50	207
51	210

n	a(n)
1	2
2	4
3	6
4	7
5	9
6	12
7	16
8	18
9	21
10	22
11	24
12	27
13	30
14	36
15	37
16	39
17	42
18	46
19	48
20	51
21	57
22	60
23	66
24	67
25	69
26	72
27	81
28	87
29	90
30	102
31	106
32	108
33	111
34	120
35	121
36	123
37	126
38	132
39	135
40	141
41	150
42	156
43	165
44	171
45	172
46	174
47	177
48	186
49	192
50	207
51	210