A348518 - cp's OEIS frontend

A348518 Positive integers m with the property that there are 5 positive integers b_1 < b_2 < b_3 < b_4 < b_5 such that b_1 divides b_2, b_2 divides b_3, b_3 divides b_4, b_4 divides b_5, and m = b_1 + b_2 + b_3 + b_4 + b_5.

n	a(n)
1	31
2	39
3	43
4	45
5	46
6	47
7	55
8	57
9	58
10	59
11	61
12	62
13	63
14	64
15	67
16	69
17	70
18	71
19	73
20	75
21	76
22	77
23	78
24	79
25	81
26	82
27	83
28	85
29	86
30	87
31	88
32	89
33	90
34	91
35	92
36	93
37	94
38	95
39	96
40	99
41	100
42	101
43	103
44	105
45	106
46	107
47	109
48	110
49	111
50	112
51	113
52	114
53	115
54	116
55	117
56	118
57	119
58	121
59	122
60	123
61	124
62	125
63	126
64	127
65	128

[31, 39, 43, 45, 46, 47, 55, 57, 58, 59, 61, 62, 63, 64, 67, 69, 70, 71, 73, 75, 76, 77, 78, 79, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 99, 100, 101, 103, 105, 106, 107, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 127, 128]

cp's OEIS Frontend

A348518 Positive integers m with the property that there are 5 positive integers b_1 < b_2 < b_3 < b_4 < b_5 such that b_1 divides b_2, b_2 divides b_3, b_3 divides b_4, b_4 divides b_5, and m = b_1 + b_2 + b_3 + b_4 + b_5.

Table of values

List of values

n	a(n)
1	31
2	39
3	43
4	45
5	46
6	47
7	55
8	57
9	58
10	59
11	61
12	62
13	63
14	64
15	67
16	69
17	70
18	71
19	73
20	75
21	76
22	77
23	78
24	79
25	81
26	82
27	83
28	85
29	86
30	87
31	88
32	89
33	90
34	91
35	92
36	93
37	94
38	95
39	96
40	99
41	100
42	101
43	103
44	105
45	106
46	107
47	109
48	110
49	111
50	112
51	113
52	114
53	115
54	116
55	117
56	118
57	119
58	121
59	122
60	123
61	124
62	125
63	126
64	127
65	128

n	a(n)
1	31
2	39
3	43
4	45
5	46
6	47
7	55
8	57
9	58
10	59
11	61
12	62
13	63
14	64
15	67
16	69
17	70
18	71
19	73
20	75
21	76
22	77
23	78
24	79
25	81
26	82
27	83
28	85
29	86
30	87
31	88
32	89
33	90
34	91
35	92
36	93
37	94
38	95
39	96
40	99
41	100
42	101
43	103
44	105
45	106
46	107
47	109
48	110
49	111
50	112
51	113
52	114
53	115
54	116
55	117
56	118
57	119
58	121
59	122
60	123
61	124
62	125
63	126
64	127
65	128

n	a(n)
1	31
2	39
3	43
4	45
5	46
6	47
7	55
8	57
9	58
10	59
11	61
12	62
13	63
14	64
15	67
16	69
17	70
18	71
19	73
20	75
21	76
22	77
23	78
24	79
25	81
26	82
27	83
28	85
29	86
30	87
31	88
32	89
33	90
34	91
35	92
36	93
37	94
38	95
39	96
40	99
41	100
42	101
43	103
44	105
45	106
46	107
47	109
48	110
49	111
50	112
51	113
52	114
53	115
54	116
55	117
56	118
57	119
58	121
59	122
60	123
61	124
62	125
63	126
64	127
65	128