A105480 - cp's OEIS frontend

A105480 Number of partitions of {1...n} containing 3 pairs of consecutive integers, where each pair is counted within a block and a string of more than 2 consecutive integers are counted two at a time.

n	a(n)
4	1
5	4
6	20
7	100
8	525
9	2912
10	17052
11	105240
12	683100
13	4652340
14	33168850
15	246999480
16	1917186635
17	15480884720
18	129811538960
19	1128494172720
20	10155257740443
21	94465951576560
22	907162152191470
23	8982422995787780
24	91603484234843812

[1, 4, 20, 100, 525, 2912, 17052, 105240, 683100, 4652340, 33168850, 246999480, 1917186635, 15480884720, 129811538960, 1128494172720, 10155257740443, 94465951576560, 907162152191470, 8982422995787780, 91603484234843812]

cp's OEIS Frontend

A105480 Number of partitions of {1...n} containing 3 pairs of consecutive integers, where each pair is counted within a block and a string of more than 2 consecutive integers are counted two at a time.

Table of values

List of values