A331819 - cp's OEIS frontend

A331819 Positive numbers k such that -k is a negative negabinary-Niven number, i.e., divisible by the sum of digits of its negabinary representation (A027615).

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	9
7	10
8	12
9	15
10	16
11	18
12	20
13	24
14	25
15	27
16	28
17	30
18	32
19	33
20	34
21	36
22	39
23	40
24	42
25	44
26	48
27	54
28	55
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	77
38	78
39	80
40	84
41	90
42	92
43	96
44	100
45	102
46	104
47	108
48	111
49	112
50	114
51	115
52	116
53	120
54	123
55	124
56	126
57	128
58	129
59	130
60	132
61	135
62	136
63	138
64	140

[2, 3, 4, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 28, 30, 32, 33, 34, 36, 39, 40, 42, 44, 48, 54, 55, 56, 60, 63, 64, 66, 68, 70, 72, 77, 78, 80, 84, 90, 92, 96, 100, 102, 104, 108, 111, 112, 114, 115, 116, 120, 123, 124, 126, 128, 129, 130, 132, 135, 136, 138, 140]

cp's OEIS Frontend

A331819 Positive numbers k such that -k is a negative negabinary-Niven number, i.e., divisible by the sum of digits of its negabinary representation (A027615).

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	9
7	10
8	12
9	15
10	16
11	18
12	20
13	24
14	25
15	27
16	28
17	30
18	32
19	33
20	34
21	36
22	39
23	40
24	42
25	44
26	48
27	54
28	55
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	77
38	78
39	80
40	84
41	90
42	92
43	96
44	100
45	102
46	104
47	108
48	111
49	112
50	114
51	115
52	116
53	120
54	123
55	124
56	126
57	128
58	129
59	130
60	132
61	135
62	136
63	138
64	140

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	9
7	10
8	12
9	15
10	16
11	18
12	20
13	24
14	25
15	27
16	28
17	30
18	32
19	33
20	34
21	36
22	39
23	40
24	42
25	44
26	48
27	54
28	55
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	77
38	78
39	80
40	84
41	90
42	92
43	96
44	100
45	102
46	104
47	108
48	111
49	112
50	114
51	115
52	116
53	120
54	123
55	124
56	126
57	128
58	129
59	130
60	132
61	135
62	136
63	138
64	140

n	a(n)
1	2
2	3
3	4
4	6
5	8
6	9
7	10
8	12
9	15
10	16
11	18
12	20
13	24
14	25
15	27
16	28
17	30
18	32
19	33
20	34
21	36
22	39
23	40
24	42
25	44
26	48
27	54
28	55
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	77
38	78
39	80
40	84
41	90
42	92
43	96
44	100
45	102
46	104
47	108
48	111
49	112
50	114
51	115
52	116
53	120
54	123
55	124
56	126
57	128
58	129
59	130
60	132
61	135
62	136
63	138
64	140