A231716 - cp's OEIS frontend

A231716 Numbers with restricted residue set factorial base representation: numbers n which can be formed as a sum n = duu! + ... + d22! + d1*1!, where each di is in range 1..i and gcd(di,i+1)=1.

n	a(n)
1	1
2	3
3	5
4	9
5	11
6	21
7	23
8	33
9	35
10	45
11	47
12	57
13	59
14	69
15	71
16	81
17	83
18	93
19	95
20	105
21	107
22	117
23	119
24	153
25	155
26	165
27	167
28	177
29	179
30	189
31	191
32	201
33	203
34	213
35	215
36	225
37	227
38	237
39	239
40	633
41	635
42	645
43	647
44	657
45	659
46	669
47	671
48	681
49	683
50	693
51	695
52	705
53	707
54	717
55	719
56	873
57	875

[1, 3, 5, 9, 11, 21, 23, 33, 35, 45, 47, 57, 59, 69, 71, 81, 83, 93, 95, 105, 107, 117, 119, 153, 155, 165, 167, 177, 179, 189, 191, 201, 203, 213, 215, 225, 227, 237, 239, 633, 635, 645, 647, 657, 659, 669, 671, 681, 683, 693, 695, 705, 707, 717, 719, 873, 875]

cp's OEIS Frontend

A231716 Numbers with restricted residue set factorial base representation: numbers n which can be formed as a sum n = duu! + ... + d22! + d1*1!, where each di is in range 1..i and gcd(di,i+1)=1.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	9
5	11
6	21
7	23
8	33
9	35
10	45
11	47
12	57
13	59
14	69
15	71
16	81
17	83
18	93
19	95
20	105
21	107
22	117
23	119
24	153
25	155
26	165
27	167
28	177
29	179
30	189
31	191
32	201
33	203
34	213
35	215
36	225
37	227
38	237
39	239
40	633
41	635
42	645
43	647
44	657
45	659
46	669
47	671
48	681
49	683
50	693
51	695
52	705
53	707
54	717
55	719
56	873
57	875

n	a(n)
1	1
2	3
3	5
4	9
5	11
6	21
7	23
8	33
9	35
10	45
11	47
12	57
13	59
14	69
15	71
16	81
17	83
18	93
19	95
20	105
21	107
22	117
23	119
24	153
25	155
26	165
27	167
28	177
29	179
30	189
31	191
32	201
33	203
34	213
35	215
36	225
37	227
38	237
39	239
40	633
41	635
42	645
43	647
44	657
45	659
46	669
47	671
48	681
49	683
50	693
51	695
52	705
53	707
54	717
55	719
56	873
57	875

cp's OEIS Frontend

A231716 Numbers with restricted residue set factorial base representation: numbers n which can be formed as a sum n = du*u! + ... + d2*2! + d1*1!, where each di is in range 1..i and gcd(di,i+1)=1.

Table of values

List of values

A231716 Numbers with restricted residue set factorial base representation: numbers n which can be formed as a sum n = duu! + ... + d22! + d1*1!, where each di is in range 1..i and gcd(di,i+1)=1.

n	a(n)
1	1
2	3
3	5
4	9
5	11
6	21
7	23
8	33
9	35
10	45
11	47
12	57
13	59
14	69
15	71
16	81
17	83
18	93
19	95
20	105
21	107
22	117
23	119
24	153
25	155
26	165
27	167
28	177
29	179
30	189
31	191
32	201
33	203
34	213
35	215
36	225
37	227
38	237
39	239
40	633
41	635
42	645
43	647
44	657
45	659
46	669
47	671
48	681
49	683
50	693
51	695
52	705
53	707
54	717
55	719
56	873
57	875