A213704 - cp's OEIS frontend

A213704 Catalan Unranking function U(size,rank) for totally balanced binary strings (converted to decimal). Each row 'size' of an array lists all A000108(size) such items in standard lexicographic order, followed by an infinite number of zeros.

n	a(n)
0	0
1	0
2	2
3	0
4	0
5	10
6	0
7	0
8	12
9	42
10	0
11	0
12	0
13	44
14	170
15	0
16	0
17	0
18	50
19	172
20	682
21	0
22	0
23	0
24	52
25	178
26	684
27	2730
28	0
29	0
30	0
31	56
32	180
33	690
34	2732
35	10922
36	0
37	0
38	0
39	0
40	184
41	692
42	2738
43	10924
44	43690
45	0
46	0
47	0
48	0
49	202
50	696
51	2740
52	10930
53	43692
54	174762
55	0
56	0
57	0
58	0
59	204
60	714
61	2744
62	10932
63	43698
64	174764
65	699050
66	0

[0, 0, 2, 0, 0, 10, 0, 0, 12, 42, 0, 0, 0, 44, 170, 0, 0, 0, 50, 172, 682, 0, 0, 0, 52, 178, 684, 2730, 0, 0, 0, 56, 180, 690, 2732, 10922, 0, 0, 0, 0, 184, 692, 2738, 10924, 43690, 0, 0, 0, 0, 202, 696, 2740, 10930, 43692, 174762, 0, 0, 0, 0, 204, 714, 2744, 10932, 43698, 174764, 699050, 0]

cp's OEIS Frontend

A213704 Catalan Unranking function U(size,rank) for totally balanced binary strings (converted to decimal). Each row 'size' of an array lists all A000108(size) such items in standard lexicographic order, followed by an infinite number of zeros.

Table of values

List of values