A282107 - cp's OEIS frontend

A282107 Numbers n with k digits in base x (MSD(n)x=d_k, LSD(n)_x=d_1) such that, chosen one of their digits in position d_k < j < d_1, is Sum{i=j+1..k}{(i-j)d_i} = Sum_{i=1..j-1}{(j-i)d_i}. Case x = 2.

n	a(n)
1	5
2	7
3	10
4	14
5	17
6	20
7	21
8	27
9	28
10	31
11	34
12	35
13	39
14	40
15	42
16	49
17	54
18	56
19	57
20	62
21	65
22	68
23	70
24	73
25	78
26	80
27	84
28	85
29	93
30	98
31	99
32	107
33	108
34	112
35	114
36	119
37	124
38	127
39	130
40	133
41	136
42	140
43	141
44	146
45	147
46	155
47	156
48	160
49	161
50	167
51	168
52	170
53	175
54	177
55	186
56	196
57	198
58	201
59	214

[5, 7, 10, 14, 17, 20, 21, 27, 28, 31, 34, 35, 39, 40, 42, 49, 54, 56, 57, 62, 65, 68, 70, 73, 78, 80, 84, 85, 93, 98, 99, 107, 108, 112, 114, 119, 124, 127, 130, 133, 136, 140, 141, 146, 147, 155, 156, 160, 161, 167, 168, 170, 175, 177, 186, 196, 198, 201, 214]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
1	5
2	7
3	10
4	14
5	17
6	20
7	21
8	27
9	28
10	31
11	34
12	35
13	39
14	40
15	42
16	49
17	54
18	56
19	57
20	62
21	65
22	68
23	70
24	73
25	78
26	80
27	84
28	85
29	93
30	98
31	99
32	107
33	108
34	112
35	114
36	119
37	124
38	127
39	130
40	133
41	136
42	140
43	141
44	146
45	147
46	155
47	156
48	160
49	161
50	167
51	168
52	170
53	175
54	177
55	186
56	196
57	198
58	201
59	214

n	a(n)
1	5
2	7
3	10
4	14
5	17
6	20
7	21
8	27
9	28
10	31
11	34
12	35
13	39
14	40
15	42
16	49
17	54
18	56
19	57
20	62
21	65
22	68
23	70
24	73
25	78
26	80
27	84
28	85
29	93
30	98
31	99
32	107
33	108
34	112
35	114
36	119
37	124
38	127
39	130
40	133
41	136
42	140
43	141
44	146
45	147
46	155
47	156
48	160
49	161
50	167
51	168
52	170
53	175
54	177
55	186
56	196
57	198
58	201
59	214

n	a(n)
1	5
2	7
3	10
4	14
5	17
6	20
7	21
8	27
9	28
10	31
11	34
12	35
13	39
14	40
15	42
16	49
17	54
18	56
19	57
20	62
21	65
22	68
23	70
24	73
25	78
26	80
27	84
28	85
29	93
30	98
31	99
32	107
33	108
34	112
35	114
36	119
37	124
38	127
39	130
40	133
41	136
42	140
43	141
44	146
45	147
46	155
47	156
48	160
49	161
50	167
51	168
52	170
53	175
54	177
55	186
56	196
57	198
58	201
59	214