A350177 - cp's OEIS frontend

A350177 a(n) is the number of nonnegative integers that can be represented by lighting only n segments on a 9-segment display, used by the Russian postal service.

n	a(n)
0	0
1	0
2	0
3	2
4	3
5	2
6	5
7	13
8	17
9	22
10	47
11	86
12	127
13	211
14	387
15	645
16	1044
17	1794
18	3086
19	5135
20	8608
21	14674
22	24805
23	41631
24	70322
25	119069
26	200768
27	338429
28	571845
29	965823
30	1629253
31	2749904
32	4643876
33	7838862
34	13229487
35	22333638
36	37704236
37	63642469
38	107427241
39	181351098
40	306133271

[0, 0, 0, 2, 3, 2, 5, 13, 17, 22, 47, 86, 127, 211, 387, 645, 1044, 1794, 3086, 5135, 8608, 14674, 24805, 41631, 70322, 119069, 200768, 338429, 571845, 965823, 1629253, 2749904, 4643876, 7838862, 13229487, 22333638, 37704236, 63642469, 107427241, 181351098, 306133271]

cp's OEIS Frontend

A350177 a(n) is the number of nonnegative integers that can be represented by lighting only n segments on a 9-segment display, used by the Russian postal service.

Table of values

List of values