A351010 - cp's OEIS frontend

A351010 Numbers k such that the k-th composition in standard order is a concatenation of twins (x,x).

n	a(n)
1	0
2	3
3	10
4	15
5	36
6	43
7	58
8	63
9	136
10	147
11	170
12	175
13	228
14	235
15	250
16	255
17	528
18	547
19	586
20	591
21	676
22	683
23	698
24	703
25	904
26	915
27	938
28	943
29	996
30	1003
31	1018
32	1023
33	2080
34	2115
35	2186
36	2191
37	2340
38	2347
39	2362
40	2367
41	2696
42	2707
43	2730
44	2735
45	2788
46	2795
47	2810
48	2815
49	3600
50	3619

[0, 3, 10, 15, 36, 43, 58, 63, 136, 147, 170, 175, 228, 235, 250, 255, 528, 547, 586, 591, 676, 683, 698, 703, 904, 915, 938, 943, 996, 1003, 1018, 1023, 2080, 2115, 2186, 2191, 2340, 2347, 2362, 2367, 2696, 2707, 2730, 2735, 2788, 2795, 2810, 2815, 3600, 3619]

cp's OEIS Frontend

A351010 Numbers k such that the k-th composition in standard order is a concatenation of twins (x,x).

Table of values

List of values