A230340 - cp's OEIS frontend

A230340 Denominator of Sum_{k=1..n} 1/(k(k+1)(k+2)(k+3)) = Sum_{k=1..n} 1/Pochhammer(k,4).

n	a(n)
0	1
1	24
2	20
3	360
4	315
5	1008
6	1512
7	2160
8	1485
9	1320
10	1716
11	2184
12	4095
13	10080
14	12240
15	14688
16	8721
17	20520
18	7980
19	3080
20	5313
21	36432
22	41400
23	46800
24	26325
25	58968
26	65772
27	8120
28	13485
29	9920
30	98208
31	107712
32	58905
33	128520
34	139860
35	151848
36	27417
37	59280

[1, 24, 20, 360, 315, 1008, 1512, 2160, 1485, 1320, 1716, 2184, 4095, 10080, 12240, 14688, 8721, 20520, 7980, 3080, 5313, 36432, 41400, 46800, 26325, 58968, 65772, 8120, 13485, 9920, 98208, 107712, 58905, 128520, 139860, 151848, 27417, 59280]

cp's OEIS Frontend

A230340 Denominator of Sum_{k=1..n} 1/(k(k+1)(k+2)(k+3)) = Sum_{k=1..n} 1/Pochhammer(k,4).

Table of values

List of values