A228236 - cp's OEIS frontend

A228236 Numbers k for which a sum k+bitcount(k) can be also obtained as a sum k2 +bitcount(k2) for some other k2<>k . Here bitcount(k) (A000120) gives the number of 1's in binary representation of nonnegative integer k.

n	a(n)
1	3
2	4
3	11
4	12
5	14
6	15
7	16
8	17
9	19
10	20
11	27
12	28
13	29
14	31
15	32
16	34
17	35
18	36
19	43
20	44
21	46
22	47
23	48
24	49
25	51
26	52
27	59
28	60
29	62
30	65
31	67
32	68
33	75
34	76
35	78
36	79
37	80
38	81
39	83
40	84
41	91
42	92
43	93
44	95
45	96
46	98
47	99
48	100
49	107
50	108
51	110
52	111
53	112
54	113
55	115
56	116
57	123
58	124
59	125
60	126
61	127
62	128

[3, 4, 11, 12, 14, 15, 16, 17, 19, 20, 27, 28, 29, 31, 32, 34, 35, 36, 43, 44, 46, 47, 48, 49, 51, 52, 59, 60, 62, 65, 67, 68, 75, 76, 78, 79, 80, 81, 83, 84, 91, 92, 93, 95, 96, 98, 99, 100, 107, 108, 110, 111, 112, 113, 115, 116, 123, 124, 125, 126, 127, 128]

cp's OEIS Frontend

A228236 Numbers k for which a sum k+bitcount(k) can be also obtained as a sum k2 +bitcount(k2) for some other k2<>k . Here bitcount(k) (A000120) gives the number of 1's in binary representation of nonnegative integer k.

Table of values

List of values

n	a(n)
1	3
2	4
3	11
4	12
5	14
6	15
7	16
8	17
9	19
10	20
11	27
12	28
13	29
14	31
15	32
16	34
17	35
18	36
19	43
20	44
21	46
22	47
23	48
24	49
25	51
26	52
27	59
28	60
29	62
30	65
31	67
32	68
33	75
34	76
35	78
36	79
37	80
38	81
39	83
40	84
41	91
42	92
43	93
44	95
45	96
46	98
47	99
48	100
49	107
50	108
51	110
52	111
53	112
54	113
55	115
56	116
57	123
58	124
59	125
60	126
61	127
62	128

n	a(n)
1	3
2	4
3	11
4	12
5	14
6	15
7	16
8	17
9	19
10	20
11	27
12	28
13	29
14	31
15	32
16	34
17	35
18	36
19	43
20	44
21	46
22	47
23	48
24	49
25	51
26	52
27	59
28	60
29	62
30	65
31	67
32	68
33	75
34	76
35	78
36	79
37	80
38	81
39	83
40	84
41	91
42	92
43	93
44	95
45	96
46	98
47	99
48	100
49	107
50	108
51	110
52	111
53	112
54	113
55	115
56	116
57	123
58	124
59	125
60	126
61	127
62	128

n	a(n)
1	3
2	4
3	11
4	12
5	14
6	15
7	16
8	17
9	19
10	20
11	27
12	28
13	29
14	31
15	32
16	34
17	35
18	36
19	43
20	44
21	46
22	47
23	48
24	49
25	51
26	52
27	59
28	60
29	62
30	65
31	67
32	68
33	75
34	76
35	78
36	79
37	80
38	81
39	83
40	84
41	91
42	92
43	93
44	95
45	96
46	98
47	99
48	100
49	107
50	108
51	110
52	111
53	112
54	113
55	115
56	116
57	123
58	124
59	125
60	126
61	127
62	128