A275691 - cp's OEIS frontend

A275691 G.f. A(x) satisfies: 1 = ...(((((A(x) - x^2)^(1/2) - x^3)^(1/2) - x^4)^(1/2) - x^5)^(1/2) - x^6)^(1/2) -...- x^n)^(1/2) -..., an infinite series of nested square roots.

n	a(n)
0	1
1	0
2	1
3	2
4	4
5	8
6	17
7	36
8	78
9	168
10	364
11	786
12	1700
13	3668
14	7916
15	17056
16	36729
17	78996
18	169772
19	364472
20	781814
21	1675464
22	3587660
23	7675722
24	16409240
25	35052552
26	74822496
27	159599700
28	340199178
29	724675528
30	1542673868
31	3281957116
32	6977971852
33	14827596904
34	31489490296
35	66837617960
36	141789447876
37	300636048724
38	637116434912
39	1349532001896
40	2857195771769
41	6046370298448

[1, 0, 1, 2, 4, 8, 17, 36, 78, 168, 364, 786, 1700, 3668, 7916, 17056, 36729, 78996, 169772, 364472, 781814, 1675464, 3587660, 7675722, 16409240, 35052552, 74822496, 159599700, 340199178, 724675528, 1542673868, 3281957116, 6977971852, 14827596904, 31489490296, 66837617960, 141789447876, 300636048724, 637116434912, 1349532001896, 2857195771769, 6046370298448]

cp's OEIS Frontend

A275691 G.f. A(x) satisfies: 1 = ...(((((A(x) - x^2)^(1/2) - x^3)^(1/2) - x^4)^(1/2) - x^5)^(1/2) - x^6)^(1/2) -...- x^n)^(1/2) -..., an infinite series of nested square roots.

Table of values

List of values