A126578 - cp's OEIS frontend

A126578 a(n) = denominator of the sum of reciprocals of the terms in n-th row of triangle A077581.

n	a(n)
1	1
2	3
3	4
4	105
5	4
6	85085
7	40
8	45045
9	40040
10	66927861
11	2520
12	167133741775
13	27720
14	644658718275
15	16997552
16	4512611027925
17	240240
18	190103424450275260925
19	816816
20	3873805630307495883
21	28269478608800
22	1257729100749186975
23	15519504

[1, 3, 4, 105, 4, 85085, 40, 45045, 40040, 66927861, 2520, 167133741775, 27720, 644658718275, 16997552, 4512611027925, 240240, 190103424450275260925, 816816, 3873805630307495883, 28269478608800, 1257729100749186975, 15519504]

cp's OEIS Frontend

A126578 a(n) = denominator of the sum of reciprocals of the terms in n-th row of triangle A077581.

Table of values

List of values