A345909 - cp's OEIS frontend

A345909 Numbers k such that the k-th composition in standard order (row k of A066099) has alternating sum 1.

n	a(n)
1	1
2	5
3	7
4	18
5	21
6	23
7	26
8	29
9	31
10	68
11	73
12	75
13	78
14	82
15	85
16	87
17	90
18	93
19	95
20	100
21	105
22	107
23	110
24	114
25	117
26	119
27	122
28	125
29	127
30	264
31	273
32	275
33	278
34	284
35	290
36	293
37	295
38	298
39	301
40	303
41	308
42	313
43	315
44	318
45	324
46	329
47	331
48	334
49	338
50	341
51	343
52	346
53	349
54	351
55	356
56	361

[1, 5, 7, 18, 21, 23, 26, 29, 31, 68, 73, 75, 78, 82, 85, 87, 90, 93, 95, 100, 105, 107, 110, 114, 117, 119, 122, 125, 127, 264, 273, 275, 278, 284, 290, 293, 295, 298, 301, 303, 308, 313, 315, 318, 324, 329, 331, 334, 338, 341, 343, 346, 349, 351, 356, 361]

cp's OEIS Frontend

A345909 Numbers k such that the k-th composition in standard order (row k of A066099) has alternating sum 1.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	18
5	21
6	23
7	26
8	29
9	31
10	68
11	73
12	75
13	78
14	82
15	85
16	87
17	90
18	93
19	95
20	100
21	105
22	107
23	110
24	114
25	117
26	119
27	122
28	125
29	127
30	264
31	273
32	275
33	278
34	284
35	290
36	293
37	295
38	298
39	301
40	303
41	308
42	313
43	315
44	318
45	324
46	329
47	331
48	334
49	338
50	341
51	343
52	346
53	349
54	351
55	356
56	361

n	a(n)
1	1
2	5
3	7
4	18
5	21
6	23
7	26
8	29
9	31
10	68
11	73
12	75
13	78
14	82
15	85
16	87
17	90
18	93
19	95
20	100
21	105
22	107
23	110
24	114
25	117
26	119
27	122
28	125
29	127
30	264
31	273
32	275
33	278
34	284
35	290
36	293
37	295
38	298
39	301
40	303
41	308
42	313
43	315
44	318
45	324
46	329
47	331
48	334
49	338
50	341
51	343
52	346
53	349
54	351
55	356
56	361

n	a(n)
1	1
2	5
3	7
4	18
5	21
6	23
7	26
8	29
9	31
10	68
11	73
12	75
13	78
14	82
15	85
16	87
17	90
18	93
19	95
20	100
21	105
22	107
23	110
24	114
25	117
26	119
27	122
28	125
29	127
30	264
31	273
32	275
33	278
34	284
35	290
36	293
37	295
38	298
39	301
40	303
41	308
42	313
43	315
44	318
45	324
46	329
47	331
48	334
49	338
50	341
51	343
52	346
53	349
54	351
55	356
56	361