A019943 - cp's OEIS frontend

A019943 Expansion of 1/((1-5x)(1-7x)(1-9*x)).

n	a(n)
0	1
1	21
2	298
3	3570
4	38971
5	401751
6	3988468
7	38583300
8	366449941
9	3434404281
10	31873887838
11	293663563830
12	2690806228111
13	24553315831611
14	223338364450408
15	2026585451393160
16	18355202849805481
17	166009125098571741
18	1499772036736668178
19	13537796780062999290

[1, 21, 298, 3570, 38971, 401751, 3988468, 38583300, 366449941, 3434404281, 31873887838, 293663563830, 2690806228111, 24553315831611, 223338364450408, 2026585451393160, 18355202849805481, 166009125098571741, 1499772036736668178, 13537796780062999290]

cp's OEIS Frontend

A019943 Expansion of 1/((1-5x)(1-7x)(1-9*x)).

Table of values

List of values

cp's OEIS Frontend

A019943 Expansion of 1/((1-5*x)*(1-7*x)*(1-9*x)).

Table of values

List of values

A019943 Expansion of 1/((1-5x)(1-7x)(1-9*x)).