A373839 - cp's OEIS frontend

A373839 Numbers k such that k and A276150(k) are both multiples of 3, where A276150 is the digit sum in the primorial base.

n	a(n)
1	0
2	9
3	18
4	27
5	33
6	42
7	51
8	66
9	75
10	84
11	90
12	99
13	108
14	117
15	123
16	132
17	141
18	156
19	165
20	174
21	180
22	189
23	198
24	207
25	213
26	222
27	231
28	246
29	255
30	264
31	270
32	279
33	288
34	297
35	303
36	312
37	321
38	336
39	345
40	354
41	360
42	369
43	378
44	387
45	393
46	402
47	411
48	426
49	435
50	444
51	450
52	459
53	468
54	477
55	483
56	492
57	501
58	516
59	525
60	534
61	540
62	549
63	558
64	567
65	573
66	582

[0, 9, 18, 27, 33, 42, 51, 66, 75, 84, 90, 99, 108, 117, 123, 132, 141, 156, 165, 174, 180, 189, 198, 207, 213, 222, 231, 246, 255, 264, 270, 279, 288, 297, 303, 312, 321, 336, 345, 354, 360, 369, 378, 387, 393, 402, 411, 426, 435, 444, 450, 459, 468, 477, 483, 492, 501, 516, 525, 534, 540, 549, 558, 567, 573, 582]

cp's OEIS Frontend

A373839 Numbers k such that k and A276150(k) are both multiples of 3, where A276150 is the digit sum in the primorial base.

Table of values

List of values

n	a(n)
1	0
2	9
3	18
4	27
5	33
6	42
7	51
8	66
9	75
10	84
11	90
12	99
13	108
14	117
15	123
16	132
17	141
18	156
19	165
20	174
21	180
22	189
23	198
24	207
25	213
26	222
27	231
28	246
29	255
30	264
31	270
32	279
33	288
34	297
35	303
36	312
37	321
38	336
39	345
40	354
41	360
42	369
43	378
44	387
45	393
46	402
47	411
48	426
49	435
50	444
51	450
52	459
53	468
54	477
55	483
56	492
57	501
58	516
59	525
60	534
61	540
62	549
63	558
64	567
65	573
66	582

n	a(n)
1	0
2	9
3	18
4	27
5	33
6	42
7	51
8	66
9	75
10	84
11	90
12	99
13	108
14	117
15	123
16	132
17	141
18	156
19	165
20	174
21	180
22	189
23	198
24	207
25	213
26	222
27	231
28	246
29	255
30	264
31	270
32	279
33	288
34	297
35	303
36	312
37	321
38	336
39	345
40	354
41	360
42	369
43	378
44	387
45	393
46	402
47	411
48	426
49	435
50	444
51	450
52	459
53	468
54	477
55	483
56	492
57	501
58	516
59	525
60	534
61	540
62	549
63	558
64	567
65	573
66	582

n	a(n)
1	0
2	9
3	18
4	27
5	33
6	42
7	51
8	66
9	75
10	84
11	90
12	99
13	108
14	117
15	123
16	132
17	141
18	156
19	165
20	174
21	180
22	189
23	198
24	207
25	213
26	222
27	231
28	246
29	255
30	264
31	270
32	279
33	288
34	297
35	303
36	312
37	321
38	336
39	345
40	354
41	360
42	369
43	378
44	387
45	393
46	402
47	411
48	426
49	435
50	444
51	450
52	459
53	468
54	477
55	483
56	492
57	501
58	516
59	525
60	534
61	540
62	549
63	558
64	567
65	573
66	582