A256938 - cp's OEIS frontend

A256938 Expansion of g.f.: (1-3z-sqrt(1-6z+5z^2+8z^3-4z^4))/(2z^2*(1-z)).

n	a(n)
0	1
1	2
2	7
3	24
4	86
5	316
6	1189
7	4562
8	17796
9	70398
10	281812
11	1139658
12	4649402
13	19112962
14	79096155
15	329258424
16	1377798890
17	5792421108
18	24454224310
19	103631241912
20	440674939192
21	1879769835968
22	8041447249926
23	34490981798188
24	148295899087660
25	639036278210420

[1, 2, 7, 24, 86, 316, 1189, 4562, 17796, 70398, 281812, 1139658, 4649402, 19112962, 79096155, 329258424, 1377798890, 5792421108, 24454224310, 103631241912, 440674939192, 1879769835968, 8041447249926, 34490981798188, 148295899087660, 639036278210420]

cp's OEIS Frontend

A256938 Expansion of g.f.: (1-3z-sqrt(1-6z+5z^2+8z^3-4z^4))/(2z^2*(1-z)).

Table of values

List of values

cp's OEIS Frontend

A256938 Expansion of g.f.: (1-3*z-sqrt(1-6*z+5*z^2+8*z^3-4*z^4))/(2*z^2*(1-z)).

Table of values

List of values

A256938 Expansion of g.f.: (1-3z-sqrt(1-6z+5z^2+8z^3-4z^4))/(2z^2*(1-z)).