A270472 - cp's OEIS frontend

A270472 Expansion of g.f. (1-2x)/(1-9x).

n	a(n)
0	1
1	7
2	63
3	567
4	5103
5	45927
6	413343
7	3720087
8	33480783
9	301327047
10	2711943423
11	24407490807
12	219667417263
13	1977006755367
14	17793060798303
15	160137547184727
16	1441237924662543
17	12971141321962887
18	116740271897665983
19	1050662447078993847
20	9455962023710944623
21	85103658213398501607

[1, 7, 63, 567, 5103, 45927, 413343, 3720087, 33480783, 301327047, 2711943423, 24407490807, 219667417263, 1977006755367, 17793060798303, 160137547184727, 1441237924662543, 12971141321962887, 116740271897665983, 1050662447078993847, 9455962023710944623, 85103658213398501607]

cp's OEIS Frontend

A270472 Expansion of g.f. (1-2x)/(1-9x).

Table of values

List of values

cp's OEIS Frontend

A270472 Expansion of g.f. (1-2*x)/(1-9*x).

Table of values

List of values

A270472 Expansion of g.f. (1-2x)/(1-9x).