A192751 - cp's OEIS frontend

A192751 Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is c_n.

n	a(n)
0	0
1	1
2	7
3	18
4	39
5	75
6	136
7	237
8	403
9	674
10	1115
11	1831
12	2992
13	4873
14	7919
15	12850
16	20831
17	33747
18	54648
19	88469
20	143195
21	231746
22	375027
23	606863
24	981984
25	1588945
26	2571031
27	4160082
28	6731223
29	10891419
30	17622760
31	28514301
32	46137187
33	74651618
34	120788939

[0, 1, 7, 18, 39, 75, 136, 237, 403, 674, 1115, 1831, 2992, 4873, 7919, 12850, 20831, 33747, 54648, 88469, 143195, 231746, 375027, 606863, 981984, 1588945, 2571031, 4160082, 6731223, 10891419, 17622760, 28514301, 46137187, 74651618, 120788939]

cp's OEIS Frontend

A192751 Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is c_n.

Table of values

List of values