A138028 - cp's OEIS frontend

A138028 The array of the most significant digit of n^k read by antidiagonals.

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

[1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 4, 9, 8, 1, 1, 5, 1, 2, 1, 1, 1, 6, 2, 6, 8, 3, 1, 1, 7, 3, 1, 2, 2, 6, 1, 1, 8, 4, 2, 6, 1, 7, 1, 1, 1, 9, 6, 3, 1, 3, 4, 2, 2, 1, 1, 1, 8, 5, 2, 7, 1, 1, 6, 5, 1, 1, 1, 1, 7, 4, 1, 4, 7, 6, 1, 1, 1, 1, 1, 1, 1, 6, 3, 1, 2, 3, 2, 5, 2, 1, 1, 1, 1, 1, 1, 5, 2, 8, 1, 1, 1, 1, 4, 1]

cp's OEIS Frontend

A138028 The array of the most significant digit of n^k read by antidiagonals.

Table of values

List of values

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

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

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