A276914 - cp's OEIS frontend

A276914 Subsequence of triangular numbers obtained by adding a square and two smaller triangles, a(n) = n^2 + 2*A000217(A052928(n)).

n	a(n)
0	0
1	1
2	10
3	15
4	36
5	45
6	78
7	91
8	136
9	153
10	210
11	231
12	300
13	325
14	406
15	435
16	528
17	561
18	666
19	703
20	820
21	861
22	990
23	1035
24	1176
25	1225
26	1378
27	1431
28	1596
29	1653
30	1830
31	1891
32	2080
33	2145
34	2346
35	2415
36	2628
37	2701
38	2926
39	3003
40	3240
41	3321
42	3570
43	3655
44	3916
45	4005
46	4278
47	4371
48	4656

[0, 1, 10, 15, 36, 45, 78, 91, 136, 153, 210, 231, 300, 325, 406, 435, 528, 561, 666, 703, 820, 861, 990, 1035, 1176, 1225, 1378, 1431, 1596, 1653, 1830, 1891, 2080, 2145, 2346, 2415, 2628, 2701, 2926, 3003, 3240, 3321, 3570, 3655, 3916, 4005, 4278, 4371, 4656]

cp's OEIS Frontend

A276914 Subsequence of triangular numbers obtained by adding a square and two smaller triangles, a(n) = n^2 + 2*A000217(A052928(n)).

Table of values

List of values