A241299 - cp's OEIS frontend

A241299 Initial digit of the decimal expansion of n^(n^n) or n^^3 (in Don Knuth's up-arrow notation).

n	a(n)
0	0
1	1
2	1
3	7
4	1
5	1
6	2
7	3
8	6
9	4
10	1
11	3
12	4
13	6
14	1
15	3
16	1
17	3
18	1
19	1
20	3
21	2
22	3
23	5
24	5
25	2
26	2
27	2
28	8
29	1
30	1
31	9
32	1
33	2
34	3
35	4
36	8
37	2
38	4
39	1
40	1
41	2
42	8
43	3
44	2
45	1
46	4
47	2
48	5
49	1
50	6
51	7
52	2
53	2
54	2
55	2
56	2
57	2
58	8
59	4
60	1
61	4
62	8
63	1
64	5
65	8
66	4
67	1
68	4
69	1
70	2
71	1
72	9
73	6
74	6
75	2
76	1
77	1
78	7
79	6
80	1
81	7
82	7
83	2
84	4
85	1
86	8
87	6
88	1
89	7
90	1
91	1
92	3
93	1
94	2
95	6
96	3
97	5
98	1
99	1
100	1
101	2
102	2
103	5
104	4

[0, 1, 1, 7, 1, 1, 2, 3, 6, 4, 1, 3, 4, 6, 1, 3, 1, 3, 1, 1, 3, 2, 3, 5, 5, 2, 2, 2, 8, 1, 1, 9, 1, 2, 3, 4, 8, 2, 4, 1, 1, 2, 8, 3, 2, 1, 4, 2, 5, 1, 6, 7, 2, 2, 2, 2, 2, 2, 8, 4, 1, 4, 8, 1, 5, 8, 4, 1, 4, 1, 2, 1, 9, 6, 6, 2, 1, 1, 7, 6, 1, 7, 7, 2, 4, 1, 8, 6, 1, 7, 1, 1, 3, 1, 2, 6, 3, 5, 1, 1, 1, 2, 2, 5, 4]

cp's OEIS Frontend

A241299 Initial digit of the decimal expansion of n^(n^n) or n^^3 (in Don Knuth's up-arrow notation).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	7
4	1
5	1
6	2
7	3
8	6
9	4
10	1
11	3
12	4
13	6
14	1
15	3
16	1
17	3
18	1
19	1
20	3
21	2
22	3
23	5
24	5
25	2
26	2
27	2
28	8
29	1
30	1
31	9
32	1
33	2
34	3
35	4
36	8
37	2
38	4
39	1
40	1
41	2
42	8
43	3
44	2
45	1
46	4
47	2
48	5
49	1
50	6
51	7
52	2
53	2
54	2
55	2
56	2
57	2
58	8
59	4
60	1
61	4
62	8
63	1
64	5
65	8
66	4
67	1
68	4
69	1
70	2
71	1
72	9
73	6
74	6
75	2
76	1
77	1
78	7
79	6
80	1
81	7
82	7
83	2
84	4
85	1
86	8
87	6
88	1
89	7
90	1
91	1
92	3
93	1
94	2
95	6
96	3
97	5
98	1
99	1
100	1
101	2
102	2
103	5
104	4

n	a(n)
0	0
1	1
2	1
3	7
4	1
5	1
6	2
7	3
8	6
9	4
10	1
11	3
12	4
13	6
14	1
15	3
16	1
17	3
18	1
19	1
20	3
21	2
22	3
23	5
24	5
25	2
26	2
27	2
28	8
29	1
30	1
31	9
32	1
33	2
34	3
35	4
36	8
37	2
38	4
39	1
40	1
41	2
42	8
43	3
44	2
45	1
46	4
47	2
48	5
49	1
50	6
51	7
52	2
53	2
54	2
55	2
56	2
57	2
58	8
59	4
60	1
61	4
62	8
63	1
64	5
65	8
66	4
67	1
68	4
69	1
70	2
71	1
72	9
73	6
74	6
75	2
76	1
77	1
78	7
79	6
80	1
81	7
82	7
83	2
84	4
85	1
86	8
87	6
88	1
89	7
90	1
91	1
92	3
93	1
94	2
95	6
96	3
97	5
98	1
99	1
100	1
101	2
102	2
103	5
104	4

n	a(n)
0	0
1	1
2	1
3	7
4	1
5	1
6	2
7	3
8	6
9	4
10	1
11	3
12	4
13	6
14	1
15	3
16	1
17	3
18	1
19	1
20	3
21	2
22	3
23	5
24	5
25	2
26	2
27	2
28	8
29	1
30	1
31	9
32	1
33	2
34	3
35	4
36	8
37	2
38	4
39	1
40	1
41	2
42	8
43	3
44	2
45	1
46	4
47	2
48	5
49	1
50	6
51	7
52	2
53	2
54	2
55	2
56	2
57	2
58	8
59	4
60	1
61	4
62	8
63	1
64	5
65	8
66	4
67	1
68	4
69	1
70	2
71	1
72	9
73	6
74	6
75	2
76	1
77	1
78	7
79	6
80	1
81	7
82	7
83	2
84	4
85	1
86	8
87	6
88	1
89	7
90	1
91	1
92	3
93	1
94	2
95	6
96	3
97	5
98	1
99	1
100	1
101	2
102	2
103	5
104	4