A257538 - cp's OEIS frontend

A257538 The Matula number of the rooted tree obtained from the rooted tree T having Matula number n by replacing each edge of T with a path of length 2.

n	a(n)
1	1
2	3
3	11
4	9
5	127
6	33
7	83
8	27
9	121
10	381
11	5381
12	99
13	773
14	249
15	1397
16	81
17	3001
18	363
19	563
20	1143
21	913
22	16143
23	4943
24	297
25	16129
26	2319
27	1331
28	747
29	23563
30	4191
31	648391
32	243
33	59191
34	9003
35	10541
36	1089
37	3761
38	1689
39	8503
40	3429
41	57943
42	2739
43	13297
44	48429

[1, 3, 11, 9, 127, 33, 83, 27, 121, 381, 5381, 99, 773, 249, 1397, 81, 3001, 363, 563, 1143, 913, 16143, 4943, 297, 16129, 2319, 1331, 747, 23563, 4191, 648391, 243, 59191, 9003, 10541, 1089, 3761, 1689, 8503, 3429, 57943, 2739, 13297, 48429]

cp's OEIS Frontend

A257538 The Matula number of the rooted tree obtained from the rooted tree T having Matula number n by replacing each edge of T with a path of length 2.

Table of values

List of values