A351897 - cp's OEIS frontend

A351897 Numbers that in factorial-base representation have digits with an alternating parity.

n	a(n)
1	0
2	1
3	2
4	5
5	7
6	11
7	14
8	19
9	23
10	26
11	38
12	55
13	59
14	67
15	71
16	74
17	86
18	103
19	107
20	115
21	119
22	127
23	131
24	139
25	143
26	175
27	179
28	187
29	191
30	223
31	227
32	235
33	239
34	266
35	278
36	314
37	326
38	367
39	371
40	379
41	383
42	415
43	419
44	427
45	431
46	463
47	467
48	475
49	479
50	506
51	518
52	554
53	566
54	607
55	611
56	619
57	623

[0, 1, 2, 5, 7, 11, 14, 19, 23, 26, 38, 55, 59, 67, 71, 74, 86, 103, 107, 115, 119, 127, 131, 139, 143, 175, 179, 187, 191, 223, 227, 235, 239, 266, 278, 314, 326, 367, 371, 379, 383, 415, 419, 427, 431, 463, 467, 475, 479, 506, 518, 554, 566, 607, 611, 619, 623]

cp's OEIS Frontend

A351897 Numbers that in factorial-base representation have digits with an alternating parity.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	5
5	7
6	11
7	14
8	19
9	23
10	26
11	38
12	55
13	59
14	67
15	71
16	74
17	86
18	103
19	107
20	115
21	119
22	127
23	131
24	139
25	143
26	175
27	179
28	187
29	191
30	223
31	227
32	235
33	239
34	266
35	278
36	314
37	326
38	367
39	371
40	379
41	383
42	415
43	419
44	427
45	431
46	463
47	467
48	475
49	479
50	506
51	518
52	554
53	566
54	607
55	611
56	619
57	623

n	a(n)
1	0
2	1
3	2
4	5
5	7
6	11
7	14
8	19
9	23
10	26
11	38
12	55
13	59
14	67
15	71
16	74
17	86
18	103
19	107
20	115
21	119
22	127
23	131
24	139
25	143
26	175
27	179
28	187
29	191
30	223
31	227
32	235
33	239
34	266
35	278
36	314
37	326
38	367
39	371
40	379
41	383
42	415
43	419
44	427
45	431
46	463
47	467
48	475
49	479
50	506
51	518
52	554
53	566
54	607
55	611
56	619
57	623

n	a(n)
1	0
2	1
3	2
4	5
5	7
6	11
7	14
8	19
9	23
10	26
11	38
12	55
13	59
14	67
15	71
16	74
17	86
18	103
19	107
20	115
21	119
22	127
23	131
24	139
25	143
26	175
27	179
28	187
29	191
30	223
31	227
32	235
33	239
34	266
35	278
36	314
37	326
38	367
39	371
40	379
41	383
42	415
43	419
44	427
45	431
46	463
47	467
48	475
49	479
50	506
51	518
52	554
53	566
54	607
55	611
56	619
57	623