A319870 - cp's OEIS frontend

A319870 a(n) = 654321 + 121110987 + 1817161514*13 + ... + (up to the n-th term).

n	a(n)
1	6
2	30
3	120
4	360
5	720
6	720
7	732
8	852
9	2040
10	12600
11	95760
12	666000
13	666018
14	666306
15	670896
16	739440
17	1694160
18	14032080
19	14032104
20	14032632
21	14044224
22	14287104
23	19132560
24	110941200
25	110941230
26	110942070
27	110965560
28	111598920
29	128041920
30	538459200
31	538459236

[6, 30, 120, 360, 720, 720, 732, 852, 2040, 12600, 95760, 666000, 666018, 666306, 670896, 739440, 1694160, 14032080, 14032104, 14032632, 14044224, 14287104, 19132560, 110941200, 110941230, 110942070, 110965560, 111598920, 128041920, 538459200, 538459236]

cp's OEIS Frontend

A319870 a(n) = 654321 + 121110987 + 1817161514*13 + ... + (up to the n-th term).

Table of values

List of values

cp's OEIS Frontend

A319870 a(n) = 6*5*4*3*2*1 + 12*11*10*9*8*7 + 18*17*16*15*14*13 + ... + (up to the n-th term).

Table of values

List of values

A319870 a(n) = 654321 + 121110987 + 1817161514*13 + ... + (up to the n-th term).