A035253 - cp's OEIS frontend

A035253 Second differences are 2,2,1,2,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,2,.. (A035214).

n	a(n)
0	4
1	1
2	0
3	1
4	3
5	7
6	12
7	18
8	26
9	35
10	45
11	56
12	69
13	83
14	98
15	114
16	131
17	150
18	170
19	191
20	213
21	236
22	260
23	286
24	313
25	341
26	370
27	400
28	431
29	463
30	497
31	532
32	568
33	605
34	643
35	682
36	722
37	763
38	806
39	850
40	895
41	941
42	988
43	1036
44	1085
45	1135
46	1186
47	1239
48	1293
49	1348
50	1404
51	1461
52	1519
53	1578

[4, 1, 0, 1, 3, 7, 12, 18, 26, 35, 45, 56, 69, 83, 98, 114, 131, 150, 170, 191, 213, 236, 260, 286, 313, 341, 370, 400, 431, 463, 497, 532, 568, 605, 643, 682, 722, 763, 806, 850, 895, 941, 988, 1036, 1085, 1135, 1186, 1239, 1293, 1348, 1404, 1461, 1519, 1578]

cp's OEIS Frontend

A035253 Second differences are 2,2,1,2,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,2,.. (A035214).

Table of values

List of values