A263257 - cp's OEIS frontend

A263257 a(n) = least number with distance n to the infinite trunk (A259934) of the tree defined by edge-relation A049820(child) = parent.

n	a(n)
0	0
1	1
2	3
3	5
4	7
5	19
6	23
7	27
8	29
9	31
10	35
11	37
12	41
13	43
14	51
15	53
16	57
17	59
18	61
19	65
20	67
21	71
22	73
23	77
24	79
25	223
26	231
27	233
28	237
29	239
30	241
31	249
32	251
33	263
34	267
35	269
36	271
37	277
38	285
39	291
40	293
41	299
42	303
43	315
44	317
45	321
46	327
47	331
48	335
49	337
50	341
51	347
52	349
53	357
54	359
55	369
56	857
57	859
58	1077
59	1081
60	1087
61	1095
62	1097
63	1101

[0, 1, 3, 5, 7, 19, 23, 27, 29, 31, 35, 37, 41, 43, 51, 53, 57, 59, 61, 65, 67, 71, 73, 77, 79, 223, 231, 233, 237, 239, 241, 249, 251, 263, 267, 269, 271, 277, 285, 291, 293, 299, 303, 315, 317, 321, 327, 331, 335, 337, 341, 347, 349, 357, 359, 369, 857, 859, 1077, 1081, 1087, 1095, 1097, 1101]

cp's OEIS Frontend

A263257 a(n) = least number with distance n to the infinite trunk (A259934) of the tree defined by edge-relation A049820(child) = parent.

Table of values

List of values