A272398 - cp's OEIS frontend

A272398 The union of hexagonal numbers (A000384) and centered 9-gonal numbers (A060544).

n	a(n)
1	1
2	6
3	10
4	15
5	28
6	45
7	55
8	66
9	91
10	120
11	136
12	153
13	190
14	231
15	253
16	276
17	325
18	378
19	406
20	435
21	496
22	561
23	595
24	630
25	703
26	780
27	820
28	861
29	946
30	1035
31	1081
32	1128
33	1225
34	1326
35	1378
36	1431
37	1540
38	1653
39	1711
40	1770
41	1891
42	2016
43	2080
44	2145
45	2278
46	2415
47	2485
48	2556
49	2701
50	2850

[1, 6, 10, 15, 28, 45, 55, 66, 91, 120, 136, 153, 190, 231, 253, 276, 325, 378, 406, 435, 496, 561, 595, 630, 703, 780, 820, 861, 946, 1035, 1081, 1128, 1225, 1326, 1378, 1431, 1540, 1653, 1711, 1770, 1891, 2016, 2080, 2145, 2278, 2415, 2485, 2556, 2701, 2850]

cp's OEIS Frontend

A272398 The union of hexagonal numbers (A000384) and centered 9-gonal numbers (A060544).

Table of values

List of values