A272267 - cp's OEIS frontend

A272267 The union of centered square numbers (A001844) and centered 9-gonal numbers (A060544).

n	a(n)
1	1
2	5
3	10
4	13
5	25
6	28
7	41
8	55
9	61
10	85
11	91
12	113
13	136
14	145
15	181
16	190
17	221
18	253
19	265
20	313
21	325
22	365
23	406
24	421
25	481
26	496
27	545
28	595
29	613
30	685
31	703
32	761
33	820
34	841
35	925
36	946
37	1013
38	1081
39	1105
40	1201
41	1225
42	1301
43	1378
44	1405
45	1513
46	1540
47	1625
48	1711
49	1741
50	1861
51	1891

[1, 5, 10, 13, 25, 28, 41, 55, 61, 85, 91, 113, 136, 145, 181, 190, 221, 253, 265, 313, 325, 365, 406, 421, 481, 496, 545, 595, 613, 685, 703, 761, 820, 841, 925, 946, 1013, 1081, 1105, 1201, 1225, 1301, 1378, 1405, 1513, 1540, 1625, 1711, 1741, 1861, 1891]

cp's OEIS Frontend

A272267 The union of centered square numbers (A001844) and centered 9-gonal numbers (A060544).

Table of values

List of values