A136112 - cp's OEIS frontend

A136112 Indices of pentagonal numbers > 0 which are not the difference of two larger pentagonal numbers.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	11
9	15
10	18
11	23
12	24
13	27
14	51
15	54
16	71
17	72
18	81
19	96
20	99
21	123
22	128
23	135
24	162
25	216
26	239
27	243
28	263
29	288
30	303
31	311
32	359
33	384
34	423
35	459
36	479
37	486
38	519
39	591
40	599
41	639
42	648
43	683
44	699
45	729
46	743
47	783
48	863
49	864
50	879
51	891
52	911
53	1031
54	1103
55	1151
56	1215
57	1431

[1, 2, 3, 5, 6, 8, 9, 11, 15, 18, 23, 24, 27, 51, 54, 71, 72, 81, 96, 99, 123, 128, 135, 162, 216, 239, 243, 263, 288, 303, 311, 359, 384, 423, 459, 479, 486, 519, 591, 599, 639, 648, 683, 699, 729, 743, 783, 863, 864, 879, 891, 911, 1031, 1103, 1151, 1215, 1431]

cp's OEIS Frontend

A136112 Indices of pentagonal numbers > 0 which are not the difference of two larger pentagonal numbers.

Table of values

List of values