A372440 - cp's OEIS frontend

A372440 Numbers k such that the least binary index of k plus the least prime index of k is even.

n	a(n)
1	4
2	5
3	11
4	12
5	16
6	17
7	20
8	23
9	25
10	28
11	31
12	35
13	36
14	41
15	44
16	47
17	48
18	52
19	55
20	59
21	60
22	64
23	65
24	67
25	68
26	73
27	76
28	80
29	83
30	84
31	85
32	92
33	95
34	97
35	100
36	103
37	108
38	109
39	112
40	115
41	116
42	121
43	124
44	125
45	127
46	132
47	137
48	140
49	143
50	144
51	145
52	148
53	149
54	155
55	156
56	157
57	164
58	167
59	172

[4, 5, 11, 12, 16, 17, 20, 23, 25, 28, 31, 35, 36, 41, 44, 47, 48, 52, 55, 59, 60, 64, 65, 67, 68, 73, 76, 80, 83, 84, 85, 92, 95, 97, 100, 103, 108, 109, 112, 115, 116, 121, 124, 125, 127, 132, 137, 140, 143, 144, 145, 148, 149, 155, 156, 157, 164, 167, 172]

cp's OEIS Frontend

A372440 Numbers k such that the least binary index of k plus the least prime index of k is even.

Table of values

List of values

n	a(n)
1	4
2	5
3	11
4	12
5	16
6	17
7	20
8	23
9	25
10	28
11	31
12	35
13	36
14	41
15	44
16	47
17	48
18	52
19	55
20	59
21	60
22	64
23	65
24	67
25	68
26	73
27	76
28	80
29	83
30	84
31	85
32	92
33	95
34	97
35	100
36	103
37	108
38	109
39	112
40	115
41	116
42	121
43	124
44	125
45	127
46	132
47	137
48	140
49	143
50	144
51	145
52	148
53	149
54	155
55	156
56	157
57	164
58	167
59	172

n	a(n)
1	4
2	5
3	11
4	12
5	16
6	17
7	20
8	23
9	25
10	28
11	31
12	35
13	36
14	41
15	44
16	47
17	48
18	52
19	55
20	59
21	60
22	64
23	65
24	67
25	68
26	73
27	76
28	80
29	83
30	84
31	85
32	92
33	95
34	97
35	100
36	103
37	108
38	109
39	112
40	115
41	116
42	121
43	124
44	125
45	127
46	132
47	137
48	140
49	143
50	144
51	145
52	148
53	149
54	155
55	156
56	157
57	164
58	167
59	172

n	a(n)
1	4
2	5
3	11
4	12
5	16
6	17
7	20
8	23
9	25
10	28
11	31
12	35
13	36
14	41
15	44
16	47
17	48
18	52
19	55
20	59
21	60
22	64
23	65
24	67
25	68
26	73
27	76
28	80
29	83
30	84
31	85
32	92
33	95
34	97
35	100
36	103
37	108
38	109
39	112
40	115
41	116
42	121
43	124
44	125
45	127
46	132
47	137
48	140
49	143
50	144
51	145
52	148
53	149
54	155
55	156
56	157
57	164
58	167
59	172