A025550 - cp's OEIS frontend

A025550 a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2n-1) )LCM(1, 3, 5, ..., 2*n-1).

n	a(n)
1	1
2	4
3	23
4	176
5	563
6	6508
7	88069
8	91072
9	1593269
10	31037876
11	31730711
12	744355888
13	3788707301
14	11552032628
15	340028535787
16	10686452707072
17	10823198495797
18	10952130239452
19	409741429887649
20	414022624965424
21	17141894231615609
22	743947082888833412
23	750488463554668427

[1, 4, 23, 176, 563, 6508, 88069, 91072, 1593269, 31037876, 31730711, 744355888, 3788707301, 11552032628, 340028535787, 10686452707072, 10823198495797, 10952130239452, 409741429887649, 414022624965424, 17141894231615609, 743947082888833412, 750488463554668427]

cp's OEIS Frontend

A025550 a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2n-1) )LCM(1, 3, 5, ..., 2*n-1).

Table of values

List of values

cp's OEIS Frontend

A025550 a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2*n-1) )*LCM(1, 3, 5, ..., 2*n-1).

Table of values

List of values

A025550 a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2n-1) )LCM(1, 3, 5, ..., 2*n-1).