A184696 - cp's OEIS frontend

A184696 Number of strings of numbers x(i=1..n) in 0..2 with sum ix(i) equal to n2.

n	a(n)
1	1
2	2
3	3
4	7
5	12
6	21
7	35
8	58
9	91
10	142
11	215
12	322
13	472
14	685
15	979
16	1385
17	1936
18	2684
19	3685
20	5023
21	6790
22	9119
23	12163
24	16130
25	21264
26	27887
27	36383
28	47249
29	61076
30	78621
31	100787
32	128714
33	163766
34	207643
35	262385
36	330506
37	415023
38	519630
39	648751
40	807768
41	1003113
42	1242574

[1, 2, 3, 7, 12, 21, 35, 58, 91, 142, 215, 322, 472, 685, 979, 1385, 1936, 2684, 3685, 5023, 6790, 9119, 12163, 16130, 21264, 27887, 36383, 47249, 61076, 78621, 100787, 128714, 163766, 207643, 262385, 330506, 415023, 519630, 648751, 807768, 1003113, 1242574]

cp's OEIS Frontend

A184696 Number of strings of numbers x(i=1..n) in 0..2 with sum ix(i) equal to n2.

Table of values

List of values

cp's OEIS Frontend

A184696 Number of strings of numbers x(i=1..n) in 0..2 with sum i*x(i) equal to n*2.

Table of values

List of values

A184696 Number of strings of numbers x(i=1..n) in 0..2 with sum ix(i) equal to n2.