A357272 - cp's OEIS frontend

A357272 a(n) is the number of ways n can be calculated with expressions of the form "d1 o1 d2 o2 d3 o3 d4" where d1-d4 are decimal digits (0-9) and o1-o3 are chosen from the four basic arithmetic operators (+, -, *, /).

n	a(n)
0	29235
1	12654
2	12450
3	12425
4	12427
5	11915
6	12419
7	11792
8	12062
9	11725
10	8748
11	7686
12	8180
13	6632
14	6549
15	6077
16	5758
17	4532
18	4915
19	3503
20	3649
21	3451
22	2684
23	2468
24	3253
25	2288
26	1957
27	2347
28	2197
29	1627
30	2028
31	1444
32	1899
33	1439
34	1281
35	1531
36	2080
37	1195
38	1126
39	1147
40	1513

[29235, 12654, 12450, 12425, 12427, 11915, 12419, 11792, 12062, 11725, 8748, 7686, 8180, 6632, 6549, 6077, 5758, 4532, 4915, 3503, 3649, 3451, 2684, 2468, 3253, 2288, 1957, 2347, 2197, 1627, 2028, 1444, 1899, 1439, 1281, 1531, 2080, 1195, 1126, 1147, 1513]

cp's OEIS Frontend

A357272 a(n) is the number of ways n can be calculated with expressions of the form "d1 o1 d2 o2 d3 o3 d4" where d1-d4 are decimal digits (0-9) and o1-o3 are chosen from the four basic arithmetic operators (+, -, *, /).

Table of values

List of values