A109377 - cp's OEIS frontend

A109377 Expansion of ( 2+x+2x^2 ) / ( 1-2x+x^2-x^3 ).

n	a(n)
0	2
1	5
2	10
3	17
4	29
5	51
6	90
7	158
8	277
9	486
10	853
11	1497
12	2627
13	4610
14	8090
15	14197
16	24914
17	43721
18	76725
19	134643
20	236282
21	414646
22	727653
23	1276942
24	2240877
25	3932465
26	6900995
27	12110402
28	21252274
29	37295141
30	65448410
31	114853953
32	201554637
33	353703731
34	620706778

[2, 5, 10, 17, 29, 51, 90, 158, 277, 486, 853, 1497, 2627, 4610, 8090, 14197, 24914, 43721, 76725, 134643, 236282, 414646, 727653, 1276942, 2240877, 3932465, 6900995, 12110402, 21252274, 37295141, 65448410, 114853953, 201554637, 353703731, 620706778]

cp's OEIS Frontend

A109377 Expansion of ( 2+x+2x^2 ) / ( 1-2x+x^2-x^3 ).

Table of values

List of values

cp's OEIS Frontend

A109377 Expansion of ( 2+x+2*x^2 ) / ( 1-2*x+x^2-x^3 ).

Table of values

List of values

A109377 Expansion of ( 2+x+2x^2 ) / ( 1-2x+x^2-x^3 ).