A189319 - cp's OEIS frontend

A189319 Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.

n	a(n)
1	2
2	6
3	11
4	32
5	54
6	179
7	253
8	866
9	1161
10	3234
11	4100
12	12289
13	11179
14	28957
15	35448
16	81956
17	60820
18	184122
19	127607
20	389213
21	298758
22	584334
23	434068
24	1773649
25	705685
26	1778949
27	1505153
28	3979185
29	1735705
30	7116031
31	2564548
32	11409548
33	5647305
34	10489351

[2, 6, 11, 32, 54, 179, 253, 866, 1161, 3234, 4100, 12289, 11179, 28957, 35448, 81956, 60820, 184122, 127607, 389213, 298758, 584334, 434068, 1773649, 705685, 1778949, 1505153, 3979185, 1735705, 7116031, 2564548, 11409548, 5647305, 10489351]

cp's OEIS Frontend

A189319 Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.

Table of values

List of values