A086639 - cp's OEIS frontend

A086639 Write decimal expansion of Pi in triangular form; sequence gives left edge.

n	a(n)
1	3
2	1
3	1
4	2
5	5
6	3
7	2
8	2
9	4
10	9
11	9
12	7
13	8
14	3
15	8
16	7
17	2
18	1
19	8
20	9
21	5
22	3
23	6
24	6
25	3
26	5
27	7
28	6
29	2
30	2
31	9
32	9
33	4
34	0
35	4
36	2
37	3
38	0
39	4
40	1
41	6
42	7
43	8
44	9
45	9
46	1
47	2
48	3
49	0
50	1
51	7
52	2
53	2
54	4
55	7
56	8
57	3
58	1
59	8
60	3
61	0
62	2
63	7
64	9
65	1
66	6
67	2
68	2
69	6
70	7
71	6
72	8
73	1
74	5
75	7
76	3
77	7
78	7
79	2
80	4
81	9
82	3
83	2
84	1
85	9
86	8
87	9
88	1
89	2
90	7
91	7
92	9
93	4
94	0
95	9
96	2
97	9
98	8
99	4
100	9
101	9
102	2
103	0
104	7
105	0

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

cp's OEIS Frontend

A086639 Write decimal expansion of Pi in triangular form; sequence gives left edge.

Table of values

List of values

n	a(n)
1	3
2	1
3	1
4	2
5	5
6	3
7	2
8	2
9	4
10	9
11	9
12	7
13	8
14	3
15	8
16	7
17	2
18	1
19	8
20	9
21	5
22	3
23	6
24	6
25	3
26	5
27	7
28	6
29	2
30	2
31	9
32	9
33	4
34	0
35	4
36	2
37	3
38	0
39	4
40	1
41	6
42	7
43	8
44	9
45	9
46	1
47	2
48	3
49	0
50	1
51	7
52	2
53	2
54	4
55	7
56	8
57	3
58	1
59	8
60	3
61	0
62	2
63	7
64	9
65	1
66	6
67	2
68	2
69	6
70	7
71	6
72	8
73	1
74	5
75	7
76	3
77	7
78	7
79	2
80	4
81	9
82	3
83	2
84	1
85	9
86	8
87	9
88	1
89	2
90	7
91	7
92	9
93	4
94	0
95	9
96	2
97	9
98	8
99	4
100	9
101	9
102	2
103	0
104	7
105	0

n	a(n)
1	3
2	1
3	1
4	2
5	5
6	3
7	2
8	2
9	4
10	9
11	9
12	7
13	8
14	3
15	8
16	7
17	2
18	1
19	8
20	9
21	5
22	3
23	6
24	6
25	3
26	5
27	7
28	6
29	2
30	2
31	9
32	9
33	4
34	0
35	4
36	2
37	3
38	0
39	4
40	1
41	6
42	7
43	8
44	9
45	9
46	1
47	2
48	3
49	0
50	1
51	7
52	2
53	2
54	4
55	7
56	8
57	3
58	1
59	8
60	3
61	0
62	2
63	7
64	9
65	1
66	6
67	2
68	2
69	6
70	7
71	6
72	8
73	1
74	5
75	7
76	3
77	7
78	7
79	2
80	4
81	9
82	3
83	2
84	1
85	9
86	8
87	9
88	1
89	2
90	7
91	7
92	9
93	4
94	0
95	9
96	2
97	9
98	8
99	4
100	9
101	9
102	2
103	0
104	7
105	0

n	a(n)
1	3
2	1
3	1
4	2
5	5
6	3
7	2
8	2
9	4
10	9
11	9
12	7
13	8
14	3
15	8
16	7
17	2
18	1
19	8
20	9
21	5
22	3
23	6
24	6
25	3
26	5
27	7
28	6
29	2
30	2
31	9
32	9
33	4
34	0
35	4
36	2
37	3
38	0
39	4
40	1
41	6
42	7
43	8
44	9
45	9
46	1
47	2
48	3
49	0
50	1
51	7
52	2
53	2
54	4
55	7
56	8
57	3
58	1
59	8
60	3
61	0
62	2
63	7
64	9
65	1
66	6
67	2
68	2
69	6
70	7
71	6
72	8
73	1
74	5
75	7
76	3
77	7
78	7
79	2
80	4
81	9
82	3
83	2
84	1
85	9
86	8
87	9
88	1
89	2
90	7
91	7
92	9
93	4
94	0
95	9
96	2
97	9
98	8
99	4
100	9
101	9
102	2
103	0
104	7
105	0