A390209 - OEIS

A390209 as a simple table

n	a(n)
1	1
2	2
3	5
4	11
5	23
6	45
7	85
8	154
9	272
10	468
11	788
12	1301
13	2113
14	3377
15	5324
16	8287
17	12749
18	19403
19	29240
20	43655
21	64620
22	94884
23	138271
24	200067
25	287548
26	410660
27	582970
28	822870
29	1155205
30	1613398
31	2242248
32	3101545
33	4270861
34	5855676
35	7995385
36	10873613
37	14731521
38	19884853
39	26745909
40	35851506
41	47898765
42	63790636
43	84693769
44	112111789
45	147978206
46	194773508
47	255672902
48	334732115

[1,2,5,11,23,45,85,154,272,468,788,1301,2113,3377, 5324,8287,12749,19403,29240,43655,64620,94884, 138271,200067,287548,410660,582970,822870,1155205, 1613398,2242248,3101545,4270861,5855676,7995385, 10873613,14731521,19884853,26745909,35851506, 47898765,63790636,84693769,112111789,147978206, 194773508,255672902,334732115]