A240572 - cp's OEIS frontend

A240572 a(n) = floor(4^n/(2 + sqrt(2))^n).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	2
7	3
8	3
9	4
10	4
11	5
12	6
13	7
14	9
15	10
16	12
17	14
18	17
19	20
20	23
21	27
22	32
23	38
24	44
25	52
26	61
27	71
28	84
29	98
30	115
31	135
32	158
33	185
34	217
35	255
36	299
37	350
38	410
39	480
40	563
41	659
42	773
43	905
44	1061
45	1243
46	1456
47	1706
48	1999
49	2342
50	2744
51	3215
52	3767
53	4413
54	5170
55	6057
56	7097
57	8314

[1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 7, 9, 10, 12, 14, 17, 20, 23, 27, 32, 38, 44, 52, 61, 71, 84, 98, 115, 135, 158, 185, 217, 255, 299, 350, 410, 480, 563, 659, 773, 905, 1061, 1243, 1456, 1706, 1999, 2342, 2744, 3215, 3767, 4413, 5170, 6057, 7097, 8314]

cp's OEIS Frontend

A240572 a(n) = floor(4^n/(2 + sqrt(2))^n).

Table of values

List of values