A073158 - cp's OEIS frontend

A073158 a() = 1,2,4,7,... [ A073158 ], adjacent sums = 3,6,11... [ A073159 ] and 2nd adjacent sums = 9,17,... [ A073160 ] are disjoint but not monotonic; adjoin next free number to A073158 to construct three sequences that together include all positive integers.

n	a(n)
1	1
2	2
3	4
4	7
5	5
6	8
7	10
8	14
9	15
10	19
11	16
12	20
13	21
14	22
15	26
16	28
17	27
18	30
19	32
20	33
21	37
22	38
23	40
24	39
25	44
26	45
27	47
28	46
29	49
30	50
31	51
32	52
33	56
34	58
35	59
36	61
37	60
38	64
39	66
40	67
41	72
42	68
43	73
44	74
45	76
46	80
47	81
48	82
49	85
50	86
51	87
52	88
53	90
54	94
55	96
56	97
57	98
58	100
59	105
60	104
61	106
62	107
63	110
64	111
65	113

[1, 2, 4, 7, 5, 8, 10, 14, 15, 19, 16, 20, 21, 22, 26, 28, 27, 30, 32, 33, 37, 38, 40, 39, 44, 45, 47, 46, 49, 50, 51, 52, 56, 58, 59, 61, 60, 64, 66, 67, 72, 68, 73, 74, 76, 80, 81, 82, 85, 86, 87, 88, 90, 94, 96, 97, 98, 100, 105, 104, 106, 107, 110, 111, 113]

cp's OEIS Frontend

A073158 a() = 1,2,4,7,... [ A073158 ], adjacent sums = 3,6,11... [ A073159 ] and 2nd adjacent sums = 9,17,... [ A073160 ] are disjoint but not monotonic; adjoin next free number to A073158 to construct three sequences that together include all positive integers.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	7
5	5
6	8
7	10
8	14
9	15
10	19
11	16
12	20
13	21
14	22
15	26
16	28
17	27
18	30
19	32
20	33
21	37
22	38
23	40
24	39
25	44
26	45
27	47
28	46
29	49
30	50
31	51
32	52
33	56
34	58
35	59
36	61
37	60
38	64
39	66
40	67
41	72
42	68
43	73
44	74
45	76
46	80
47	81
48	82
49	85
50	86
51	87
52	88
53	90
54	94
55	96
56	97
57	98
58	100
59	105
60	104
61	106
62	107
63	110
64	111
65	113

n	a(n)
1	1
2	2
3	4
4	7
5	5
6	8
7	10
8	14
9	15
10	19
11	16
12	20
13	21
14	22
15	26
16	28
17	27
18	30
19	32
20	33
21	37
22	38
23	40
24	39
25	44
26	45
27	47
28	46
29	49
30	50
31	51
32	52
33	56
34	58
35	59
36	61
37	60
38	64
39	66
40	67
41	72
42	68
43	73
44	74
45	76
46	80
47	81
48	82
49	85
50	86
51	87
52	88
53	90
54	94
55	96
56	97
57	98
58	100
59	105
60	104
61	106
62	107
63	110
64	111
65	113

n	a(n)
1	1
2	2
3	4
4	7
5	5
6	8
7	10
8	14
9	15
10	19
11	16
12	20
13	21
14	22
15	26
16	28
17	27
18	30
19	32
20	33
21	37
22	38
23	40
24	39
25	44
26	45
27	47
28	46
29	49
30	50
31	51
32	52
33	56
34	58
35	59
36	61
37	60
38	64
39	66
40	67
41	72
42	68
43	73
44	74
45	76
46	80
47	81
48	82
49	85
50	86
51	87
52	88
53	90
54	94
55	96
56	97
57	98
58	100
59	105
60	104
61	106
62	107
63	110
64	111
65	113