A118374 - cp's OEIS frontend

A118374 Lexicographically earliest positive integer sequence no two terms of which sum to a term of {1,7,23,63,159,...} = {n*2^n-1}, n=1,2,3,... The first differences are given in A119350.

n	a(n)
1	1
2	2
3	3
4	7
5	8
6	9
7	10
8	11
9	17
10	18
11	19
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	30
20	31
21	41
22	42
23	43
24	47
25	48
26	49
27	50
28	51
29	57
30	58
31	59
32	63
33	64
34	65
35	66
36	67
37	68
38	69
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	97
50	98
51	99
52	103
53	104
54	105
55	106
56	107
57	113
58	114
59	115
60	119
61	120
62	121
63	122
64	123
65	124
66	125

[1, 2, 3, 7, 8, 9, 10, 11, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 30, 31, 41, 42, 43, 47, 48, 49, 50, 51, 57, 58, 59, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 97, 98, 99, 103, 104, 105, 106, 107, 113, 114, 115, 119, 120, 121, 122, 123, 124, 125]

cp's OEIS Frontend

A118374 Lexicographically earliest positive integer sequence no two terms of which sum to a term of {1,7,23,63,159,...} = {n*2^n-1}, n=1,2,3,... The first differences are given in A119350.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	7
5	8
6	9
7	10
8	11
9	17
10	18
11	19
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	30
20	31
21	41
22	42
23	43
24	47
25	48
26	49
27	50
28	51
29	57
30	58
31	59
32	63
33	64
34	65
35	66
36	67
37	68
38	69
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	97
50	98
51	99
52	103
53	104
54	105
55	106
56	107
57	113
58	114
59	115
60	119
61	120
62	121
63	122
64	123
65	124
66	125

n	a(n)
1	1
2	2
3	3
4	7
5	8
6	9
7	10
8	11
9	17
10	18
11	19
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	30
20	31
21	41
22	42
23	43
24	47
25	48
26	49
27	50
28	51
29	57
30	58
31	59
32	63
33	64
34	65
35	66
36	67
37	68
38	69
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	97
50	98
51	99
52	103
53	104
54	105
55	106
56	107
57	113
58	114
59	115
60	119
61	120
62	121
63	122
64	123
65	124
66	125

n	a(n)
1	1
2	2
3	3
4	7
5	8
6	9
7	10
8	11
9	17
10	18
11	19
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	30
20	31
21	41
22	42
23	43
24	47
25	48
26	49
27	50
28	51
29	57
30	58
31	59
32	63
33	64
34	65
35	66
36	67
37	68
38	69
39	70
40	71
41	72
42	73
43	74
44	75
45	76
46	77
47	78
48	79
49	97
50	98
51	99
52	103
53	104
54	105
55	106
56	107
57	113
58	114
59	115
60	119
61	120
62	121
63	122
64	123
65	124
66	125