A138530 - cp's OEIS frontend

A138530 Triangle read by rows: T(n,k) = sum of digits of n in base k representation, 1<=k<=n.

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	1
9	2
10	1
11	5
12	2
13	3
14	2
15	1
16	6
17	2
18	2
19	3
20	2
21	1
22	7
23	3
24	3
25	4
26	3
27	2
28	1
29	8
30	1
31	4
32	2
33	4
34	3
35	2
36	1
37	9
38	2
39	1
40	3
41	5
42	4
43	3
44	2
45	1
46	10
47	2
48	2
49	4
50	2
51	5
52	4
53	3
54	2
55	1
56	11
57	3
58	3
59	5
60	3
61	6
62	5
63	4
64	3
65	2
66	1
67	12
68	2
69	2
70	3
71	4
72	2
73	6
74	5
75	4
76	3
77	2
78	1
79	13
80	3
81	3
82	4
83	5
84	3
85	7
86	6
87	5
88	4
89	3
90	2
91	1
92	14
93	3
94	4
95	5
96	6
97	4
98	2
99	7
100	6
101	5
102	4
103	3
104	2
105	1

[1, 2, 1, 3, 2, 1, 4, 1, 2, 1, 5, 2, 3, 2, 1, 6, 2, 2, 3, 2, 1, 7, 3, 3, 4, 3, 2, 1, 8, 1, 4, 2, 4, 3, 2, 1, 9, 2, 1, 3, 5, 4, 3, 2, 1, 10, 2, 2, 4, 2, 5, 4, 3, 2, 1, 11, 3, 3, 5, 3, 6, 5, 4, 3, 2, 1, 12, 2, 2, 3, 4, 2, 6, 5, 4, 3, 2, 1, 13, 3, 3, 4, 5, 3, 7, 6, 5, 4, 3, 2, 1, 14, 3, 4, 5, 6, 4, 2, 7, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A138530 Triangle read by rows: T(n,k) = sum of digits of n in base k representation, 1<=k<=n.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	1
9	2
10	1
11	5
12	2
13	3
14	2
15	1
16	6
17	2
18	2
19	3
20	2
21	1
22	7
23	3
24	3
25	4
26	3
27	2
28	1
29	8
30	1
31	4
32	2
33	4
34	3
35	2
36	1
37	9
38	2
39	1
40	3
41	5
42	4
43	3
44	2
45	1
46	10
47	2
48	2
49	4
50	2
51	5
52	4
53	3
54	2
55	1
56	11
57	3
58	3
59	5
60	3
61	6
62	5
63	4
64	3
65	2
66	1
67	12
68	2
69	2
70	3
71	4
72	2
73	6
74	5
75	4
76	3
77	2
78	1
79	13
80	3
81	3
82	4
83	5
84	3
85	7
86	6
87	5
88	4
89	3
90	2
91	1
92	14
93	3
94	4
95	5
96	6
97	4
98	2
99	7
100	6
101	5
102	4
103	3
104	2
105	1

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	1
9	2
10	1
11	5
12	2
13	3
14	2
15	1
16	6
17	2
18	2
19	3
20	2
21	1
22	7
23	3
24	3
25	4
26	3
27	2
28	1
29	8
30	1
31	4
32	2
33	4
34	3
35	2
36	1
37	9
38	2
39	1
40	3
41	5
42	4
43	3
44	2
45	1
46	10
47	2
48	2
49	4
50	2
51	5
52	4
53	3
54	2
55	1
56	11
57	3
58	3
59	5
60	3
61	6
62	5
63	4
64	3
65	2
66	1
67	12
68	2
69	2
70	3
71	4
72	2
73	6
74	5
75	4
76	3
77	2
78	1
79	13
80	3
81	3
82	4
83	5
84	3
85	7
86	6
87	5
88	4
89	3
90	2
91	1
92	14
93	3
94	4
95	5
96	6
97	4
98	2
99	7
100	6
101	5
102	4
103	3
104	2
105	1

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	1
9	2
10	1
11	5
12	2
13	3
14	2
15	1
16	6
17	2
18	2
19	3
20	2
21	1
22	7
23	3
24	3
25	4
26	3
27	2
28	1
29	8
30	1
31	4
32	2
33	4
34	3
35	2
36	1
37	9
38	2
39	1
40	3
41	5
42	4
43	3
44	2
45	1
46	10
47	2
48	2
49	4
50	2
51	5
52	4
53	3
54	2
55	1
56	11
57	3
58	3
59	5
60	3
61	6
62	5
63	4
64	3
65	2
66	1
67	12
68	2
69	2
70	3
71	4
72	2
73	6
74	5
75	4
76	3
77	2
78	1
79	13
80	3
81	3
82	4
83	5
84	3
85	7
86	6
87	5
88	4
89	3
90	2
91	1
92	14
93	3
94	4
95	5
96	6
97	4
98	2
99	7
100	6
101	5
102	4
103	3
104	2
105	1