A072479 - cp's OEIS frontend

A072479 Surface area of n-dimensional sphere of radius r is nV_nr^(n-1) = nPi^(n/2)r^(n-1)/(n/2)! = S_nPi^floor(n/2)r^(n-1); sequence gives denominator of S_n.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	1
7	15
8	3
9	105
10	12
11	945
12	60
13	10395
14	360
15	135135
16	2520
17	2027025
18	20160
19	34459425
20	181440
21	654729075
22	1814400
23	13749310575
24	19958400
25	316234143225
26	239500800
27	7905853580625
28	3113510400
29	213458046676875
30	43589145600

[1, 1, 1, 1, 1, 3, 1, 15, 3, 105, 12, 945, 60, 10395, 360, 135135, 2520, 2027025, 20160, 34459425, 181440, 654729075, 1814400, 13749310575, 19958400, 316234143225, 239500800, 7905853580625, 3113510400, 213458046676875, 43589145600]

cp's OEIS Frontend

A072479 Surface area of n-dimensional sphere of radius r is nV_nr^(n-1) = nPi^(n/2)r^(n-1)/(n/2)! = S_nPi^floor(n/2)r^(n-1); sequence gives denominator of S_n.

Table of values

List of values

cp's OEIS Frontend

A072479 Surface area of n-dimensional sphere of radius r is n*V_n*r^(n-1) = n*Pi^(n/2)*r^(n-1)/(n/2)! = S_n*Pi^floor(n/2)*r^(n-1); sequence gives denominator of S_n.

Table of values

List of values

A072479 Surface area of n-dimensional sphere of radius r is nV_nr^(n-1) = nPi^(n/2)r^(n-1)/(n/2)! = S_nPi^floor(n/2)r^(n-1); sequence gives denominator of S_n.