A239431 - cp's OEIS frontend

A239431 Consider the sequence A235598. Recalling that A235598(n) forms part of a Pythagorean triple, a(n) states its relationship to both a(n-1) and a(n+1). 1 denotes the lesser leg, 2 denotes the greater leg and 3 denotes the hypotenuse. The tens place returns its relationship to the side to its left, a(n-1), and the units place its relationship to the side to its right, a(n+1). a(0)=1.

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

[1, 22, 31, 22, 11, 32, 12, 11, 31, 22, 11, 33, 23, 21, 23, 11, 22, 13, 22, 11, 32, 12, 12, 31, 22, 13, 11, 22, 32, 12, 11, 33, 23, 21, 22, 11, 31, 22, 11, 31, 22, 11, 22, 31, 22, 13, 12, 13, 11, 21, 23, 12, 12, 13, 22, 11, 32, 12, 12, 31, 22, 11, 33, 13, 12, 11, 33, 11, 22, 12, 31, 22, 12, 12, 11, 31, 22, 11, 22, 12]

cp's OEIS Frontend

Table of values

List of values

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

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

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