A375212 - cp's OEIS frontend

A375212 a(n) is the product of the leading base-3 digit of n and the sum of the squares of its base-3 digits.

n	a(n)
1	1
2	8
3	1
4	2
5	5
6	8
7	10
8	16
9	1
10	2
11	5
12	2
13	3
14	6
15	5
16	6
17	9
18	8
19	10
20	16
21	10
22	12
23	18
24	16
25	18
26	24
27	1
28	2
29	5
30	2
31	3
32	6
33	5
34	6
35	9
36	2
37	3
38	6
39	3
40	4
41	7
42	6
43	7
44	10
45	5
46	6
47	9
48	6
49	7
50	10
51	9
52	10
53	13
54	8
55	10
56	16
57	10
58	12
59	18
60	16
61	18
62	24
63	10
64	12
65	18
66	12
67	14
68	20
69	18
70	20
71	26
72	16
73	18
74	24
75	18
76	20

[1, 8, 1, 2, 5, 8, 10, 16, 1, 2, 5, 2, 3, 6, 5, 6, 9, 8, 10, 16, 10, 12, 18, 16, 18, 24, 1, 2, 5, 2, 3, 6, 5, 6, 9, 2, 3, 6, 3, 4, 7, 6, 7, 10, 5, 6, 9, 6, 7, 10, 9, 10, 13, 8, 10, 16, 10, 12, 18, 16, 18, 24, 10, 12, 18, 12, 14, 20, 18, 20, 26, 16, 18, 24, 18, 20]

cp's OEIS Frontend

A375212 a(n) is the product of the leading base-3 digit of n and the sum of the squares of its base-3 digits.

Table of values

List of values

n	a(n)
1	1
2	8
3	1
4	2
5	5
6	8
7	10
8	16
9	1
10	2
11	5
12	2
13	3
14	6
15	5
16	6
17	9
18	8
19	10
20	16
21	10
22	12
23	18
24	16
25	18
26	24
27	1
28	2
29	5
30	2
31	3
32	6
33	5
34	6
35	9
36	2
37	3
38	6
39	3
40	4
41	7
42	6
43	7
44	10
45	5
46	6
47	9
48	6
49	7
50	10
51	9
52	10
53	13
54	8
55	10
56	16
57	10
58	12
59	18
60	16
61	18
62	24
63	10
64	12
65	18
66	12
67	14
68	20
69	18
70	20
71	26
72	16
73	18
74	24
75	18
76	20

n	a(n)
1	1
2	8
3	1
4	2
5	5
6	8
7	10
8	16
9	1
10	2
11	5
12	2
13	3
14	6
15	5
16	6
17	9
18	8
19	10
20	16
21	10
22	12
23	18
24	16
25	18
26	24
27	1
28	2
29	5
30	2
31	3
32	6
33	5
34	6
35	9
36	2
37	3
38	6
39	3
40	4
41	7
42	6
43	7
44	10
45	5
46	6
47	9
48	6
49	7
50	10
51	9
52	10
53	13
54	8
55	10
56	16
57	10
58	12
59	18
60	16
61	18
62	24
63	10
64	12
65	18
66	12
67	14
68	20
69	18
70	20
71	26
72	16
73	18
74	24
75	18
76	20

n	a(n)
1	1
2	8
3	1
4	2
5	5
6	8
7	10
8	16
9	1
10	2
11	5
12	2
13	3
14	6
15	5
16	6
17	9
18	8
19	10
20	16
21	10
22	12
23	18
24	16
25	18
26	24
27	1
28	2
29	5
30	2
31	3
32	6
33	5
34	6
35	9
36	2
37	3
38	6
39	3
40	4
41	7
42	6
43	7
44	10
45	5
46	6
47	9
48	6
49	7
50	10
51	9
52	10
53	13
54	8
55	10
56	16
57	10
58	12
59	18
60	16
61	18
62	24
63	10
64	12
65	18
66	12
67	14
68	20
69	18
70	20
71	26
72	16
73	18
74	24
75	18
76	20