A106840 - cp's OEIS frontend

A106840 Numbers m such that both m and m+1 have odd part of the form 4*k+1.

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	17
7	20
8	25
9	32
10	33
11	36
12	40
13	41
14	49
15	52
16	57
17	64
18	65
19	68
20	72
21	73
22	80
23	81
24	84
25	89
26	97
27	100
28	104
29	105
30	113
31	116
32	121
33	128
34	129
35	132
36	136
37	137
38	144
39	145
40	148
41	153
42	160
43	161
44	164
45	168
46	169
47	177
48	180
49	185
50	193
51	196
52	200
53	201
54	208
55	209
56	212
57	217
58	225

[1, 4, 8, 9, 16, 17, 20, 25, 32, 33, 36, 40, 41, 49, 52, 57, 64, 65, 68, 72, 73, 80, 81, 84, 89, 97, 100, 104, 105, 113, 116, 121, 128, 129, 132, 136, 137, 144, 145, 148, 153, 160, 161, 164, 168, 169, 177, 180, 185, 193, 196, 200, 201, 208, 209, 212, 217, 225]

cp's OEIS Frontend

A106840 Numbers m such that both m and m+1 have odd part of the form 4*k+1.

Table of values

List of values

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	17
7	20
8	25
9	32
10	33
11	36
12	40
13	41
14	49
15	52
16	57
17	64
18	65
19	68
20	72
21	73
22	80
23	81
24	84
25	89
26	97
27	100
28	104
29	105
30	113
31	116
32	121
33	128
34	129
35	132
36	136
37	137
38	144
39	145
40	148
41	153
42	160
43	161
44	164
45	168
46	169
47	177
48	180
49	185
50	193
51	196
52	200
53	201
54	208
55	209
56	212
57	217
58	225

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	17
7	20
8	25
9	32
10	33
11	36
12	40
13	41
14	49
15	52
16	57
17	64
18	65
19	68
20	72
21	73
22	80
23	81
24	84
25	89
26	97
27	100
28	104
29	105
30	113
31	116
32	121
33	128
34	129
35	132
36	136
37	137
38	144
39	145
40	148
41	153
42	160
43	161
44	164
45	168
46	169
47	177
48	180
49	185
50	193
51	196
52	200
53	201
54	208
55	209
56	212
57	217
58	225

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	17
7	20
8	25
9	32
10	33
11	36
12	40
13	41
14	49
15	52
16	57
17	64
18	65
19	68
20	72
21	73
22	80
23	81
24	84
25	89
26	97
27	100
28	104
29	105
30	113
31	116
32	121
33	128
34	129
35	132
36	136
37	137
38	144
39	145
40	148
41	153
42	160
43	161
44	164
45	168
46	169
47	177
48	180
49	185
50	193
51	196
52	200
53	201
54	208
55	209
56	212
57	217
58	225