A189321 - cp's OEIS frontend

A189321 Number of nondecreasing arrangements of n+2 numbers in 0..4 with the last equal to 4 and each after the second equal to the sum of one or two of the preceding four.

n	a(n)
1	7
2	12
3	20
4	32
5	49
6	70
7	94
8	120
9	148
10	178
11	210
12	244
13	280
14	318
15	358
16	400
17	444
18	490
19	538
20	588
21	640
22	694
23	750
24	808
25	868
26	930
27	994
28	1060
29	1128
30	1198
31	1270
32	1344
33	1420
34	1498
35	1578
36	1660
37	1744
38	1830
39	1918
40	2008
41	2100
42	2194
43	2290
44	2388
45	2488
46	2590
47	2694
48	2800
49	2908

[7, 12, 20, 32, 49, 70, 94, 120, 148, 178, 210, 244, 280, 318, 358, 400, 444, 490, 538, 588, 640, 694, 750, 808, 868, 930, 994, 1060, 1128, 1198, 1270, 1344, 1420, 1498, 1578, 1660, 1744, 1830, 1918, 2008, 2100, 2194, 2290, 2388, 2488, 2590, 2694, 2800, 2908]

cp's OEIS Frontend

A189321 Number of nondecreasing arrangements of n+2 numbers in 0..4 with the last equal to 4 and each after the second equal to the sum of one or two of the preceding four.

Table of values

List of values