A319871 - cp's OEIS frontend

A319871 a(n) = 7654321 + 141312111098 + ... + (up to the n-th term).

n	a(n)
1	7
2	42
3	210
4	840
5	2520
6	5040
7	5040
8	5054
9	5222
10	7224
11	29064
12	245280
13	2167200
14	17302320
15	17302341
16	17302740
17	17310300
18	17445960
19	19744200
20	56372400
21	603353520
22	603353548
23	603354276
24	603373176
25	603844920
26	615147120
27	874606320
28	6570915120
29	6570915155
30	6570916310

[7, 42, 210, 840, 2520, 5040, 5040, 5054, 5222, 7224, 29064, 245280, 2167200, 17302320, 17302341, 17302740, 17310300, 17445960, 19744200, 56372400, 603353520, 603353548, 603354276, 603373176, 603844920, 615147120, 874606320, 6570915120, 6570915155, 6570916310]

cp's OEIS Frontend

A319871 a(n) = 7654321 + 141312111098 + ... + (up to the n-th term).

Table of values

List of values

cp's OEIS Frontend

A319871 a(n) = 7*6*5*4*3*2*1 + 14*13*12*11*10*9*8 + ... + (up to the n-th term).

Table of values

List of values

A319871 a(n) = 7654321 + 141312111098 + ... + (up to the n-th term).