A321770 - cp's OEIS frontend

A321770 Consider the tree of triples P(n, k) with n > 0 and 0 < k <= 3^(n-1), such that P(1, 1) = [3; 4; 5] and each triple t on some row branches to the triples At, Bt, C*t on the next row (with A = [1, -2, 2; 2, -1, 2; 2, -2, 3], B = [1, 2, 2; 2, 1, 2; 2, 2, 3] and C = [-1, 2, 2; -2, 1, 2; -2, 2, 3]); T(n, k) is the third component of P(n, k).

n	a(n)
1	5
2	13
3	29
4	17
5	25
6	73
7	53
8	89
9	169
10	85
11	65
12	97
13	37
14	41
15	137
16	109
17	233
18	425
19	205
20	193
21	305
22	125
23	185
24	505
25	349
26	505
27	985
28	509
29	337
30	481
31	173
32	149
33	373
34	241
35	277
36	565
37	305
38	157
39	205
40	65
41	61
42	221
43	185
44	445
45	797
46	377
47	389
48	629
49	265
50	493
51	1325
52	905
53	1261
54	2477

[5, 13, 29, 17, 25, 73, 53, 89, 169, 85, 65, 97, 37, 41, 137, 109, 233, 425, 205, 193, 305, 125, 185, 505, 349, 505, 985, 509, 337, 481, 173, 149, 373, 241, 277, 565, 305, 157, 205, 65, 61, 221, 185, 445, 797, 377, 389, 629, 265, 493, 1325, 905, 1261, 2477]

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