A033543 - cp's OEIS frontend

A033543 Expansion of (1 - sqrt((1-2x)(1-6x)))/(2x(2-3x)).

n	a(n)
0	1
1	2
2	5
3	16
4	62
5	270
6	1257
7	6096
8	30398
9	154756
10	800834
11	4199720
12	22269976
13	119207942
14	643277553
15	3495713184
16	19113486390
17	105074982876
18	580435709622
19	3220217022144
20	17935186513044
21	100243540330188
22	562080274898250
23	3160904659483104
24	17823384503589996
25	100749266778698280

[1, 2, 5, 16, 62, 270, 1257, 6096, 30398, 154756, 800834, 4199720, 22269976, 119207942, 643277553, 3495713184, 19113486390, 105074982876, 580435709622, 3220217022144, 17935186513044, 100243540330188, 562080274898250, 3160904659483104, 17823384503589996, 100749266778698280]

cp's OEIS Frontend

A033543 Expansion of (1 - sqrt((1-2x)(1-6x)))/(2x(2-3x)).

Table of values

List of values

cp's OEIS Frontend

A033543 Expansion of (1 - sqrt((1-2*x)*(1-6*x)))/(2*x*(2-3*x)).

Table of values

List of values

A033543 Expansion of (1 - sqrt((1-2x)(1-6x)))/(2x(2-3x)).