A109865 - cp's OEIS frontend

A109865 Consider Pi = 3.1415926535897932384626433832795... On taking the absolute successive differences between successive digits ignoring the decimal point one gets the array shown in Comments (below). Sequence contains the first term of each row (the first diagonal).

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

[3, 2, 1, 1, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0]

cp's OEIS Frontend

A109865 Consider Pi = 3.1415926535897932384626433832795... On taking the absolute successive differences between successive digits ignoring the decimal point one gets the array shown in Comments (below). Sequence contains the first term of each row (the first diagonal).

Table of values

List of values

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

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

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