A187989 - cp's OEIS frontend

A187989 Number of nondecreasing arrangements of 5 numbers x(i) in -(n+3)..(n+3) with the sum of sign(x(i))*2^|x(i)| zero.

n	a(n)
1	36
2	57
3	82
4	111
5	144
6	181
7	222
8	267
9	316
10	369
11	426
12	487
13	552
14	621
15	694
16	771
17	852
18	937
19	1026
20	1119
21	1216
22	1317
23	1422
24	1531
25	1644
26	1761
27	1882
28	2007
29	2136
30	2269
31	2406
32	2547
33	2692
34	2841
35	2994
36	3151
37	3312
38	3477
39	3646
40	3819
41	3996
42	4177
43	4362
44	4551
45	4744
46	4941

[36, 57, 82, 111, 144, 181, 222, 267, 316, 369, 426, 487, 552, 621, 694, 771, 852, 937, 1026, 1119, 1216, 1317, 1422, 1531, 1644, 1761, 1882, 2007, 2136, 2269, 2406, 2547, 2692, 2841, 2994, 3151, 3312, 3477, 3646, 3819, 3996, 4177, 4362, 4551, 4744, 4941]

cp's OEIS Frontend

A187989 Number of nondecreasing arrangements of 5 numbers x(i) in -(n+3)..(n+3) with the sum of sign(x(i))*2^|x(i)| zero.

Table of values

List of values