A228765 - cp's OEIS frontend

A228765 The curvature of circles (rounded to nearest integer), successively inscribed toward the 45-degree angle of a 45-45-90 triangle, starting with a unit circle.

n	a(n)
0	1
1	2
2	5
3	11
4	25
5	56
6	126
7	283
8	633
9	1419
10	3178
11	7118
12	15943
13	35710
14	79985
15	179152
16	401270
17	898777
18	2013107
19	4509015
20	10099422
21	22620977
22	50667115
23	113485664
24	254188460
25	569338636
26	1275221080
27	2856276912

[1, 2, 5, 11, 25, 56, 126, 283, 633, 1419, 3178, 7118, 15943, 35710, 79985, 179152, 401270, 898777, 2013107, 4509015, 10099422, 22620977, 50667115, 113485664, 254188460, 569338636, 1275221080, 2856276912]

cp's OEIS Frontend

A228765 The curvature of circles (rounded to nearest integer), successively inscribed toward the 45-degree angle of a 45-45-90 triangle, starting with a unit circle.

Table of values

List of values