A261691 - OEIS

A261691 as a simple table

n	a(n)
0	0
1	1
2	2
3	6
4	7
5	8
6	21
7	22
8	23
9	63
10	64
11	65
12	69
13	70
14	71
15	192
16	193
17	194
18	207
19	208
20	209
21	213
22	214
23	215
24	579
25	580
26	581
27	621
28	622
29	623
30	627
31	628
32	629
33	642
34	643
35	644
36	1737
37	1738
38	1739
39	1743
40	1744
41	1745
42	1866
43	1867
44	1868
45	1881
46	1882
47	1883
48	1887
49	1888
50	1889
51	1929
52	1930

[0,1,2,6,7,8,21,22,23,63,64,65,69,70,71,192,193, 194,207,208,209,213,214,215,579,580,581,621,622, 623,627,628,629,642,643,644,1737,1738,1739,1743, 1744,1745,1866,1867,1868,1881,1882,1883,1887,1888, 1889,1929,1930]

[0,1,2,6,7,8,21,22,23,63,64,65,69,70,71,192,193,
 194,207,208,209,213,214,215,579,580,581,621,622,
 623,627,628,629,642,643,644,1737,1738,1739,1743,
 1744,1745,1866,1867,1868,1881,1882,1883,1887,1888,
 1889,1929,1930]