A194045 - cp's OEIS frontend

A194045 Numbers whose binary expansion is a preorder traversal of a binary tree.

n	a(n)
0	0
1	4
2	20
3	24
4	84
5	88
6	100
7	104
8	112
9	340
10	344
11	356
12	360
13	368
14	404
15	408
16	420
17	424
18	432
19	452
20	456
21	464
22	480
23	1364
24	1368
25	1380
26	1384
27	1392
28	1428
29	1432
30	1444
31	1448
32	1456
33	1476
34	1480
35	1488
36	1504
37	1620
38	1624
39	1636
40	1640
41	1648
42	1684
43	1688
44	1700
45	1704
46	1712
47	1732
48	1736
49	1744
50	1760
51	1812
52	1816
53	1828
54	1832
55	1840
56	1860
57	1864
58	1872
59	1888
60	1924
61	1928
62	1936
63	1952
64	1984

[0, 4, 20, 24, 84, 88, 100, 104, 112, 340, 344, 356, 360, 368, 404, 408, 420, 424, 432, 452, 456, 464, 480, 1364, 1368, 1380, 1384, 1392, 1428, 1432, 1444, 1448, 1456, 1476, 1480, 1488, 1504, 1620, 1624, 1636, 1640, 1648, 1684, 1688, 1700, 1704, 1712, 1732, 1736, 1744, 1760, 1812, 1816, 1828, 1832, 1840, 1860, 1864, 1872, 1888, 1924, 1928, 1936, 1952, 1984]

cp's OEIS Frontend

A194045 Numbers whose binary expansion is a preorder traversal of a binary tree.

Table of values

List of values