A384505 - cp's OEIS frontend

A384505 a(n) is the number of multisets of n positive decimal digits where the sum of the digits equals the product of the prime digits.

n	a(n)
1	5
2	1
3	1
4	3
5	13
6	20
7	31
8	51
9	74
10	106
11	144
12	188
13	248
14	331
15	433
16	535
17	668
18	812
19	993
20	1206
21	1435
22	1704
23	1991
24	2319
25	2688
26	3084
27	3529
28	3993
29	4514
30	5072
31	5675
32	6353
33	7097
34	7915
35	8790
36	9724
37	10733
38	11803
39	12947
40	14164
41	15450
42	16809
43	18240
44	19757
45	21374
46	23073
47	24876
48	26759

[5, 1, 1, 3, 13, 20, 31, 51, 74, 106, 144, 188, 248, 331, 433, 535, 668, 812, 993, 1206, 1435, 1704, 1991, 2319, 2688, 3084, 3529, 3993, 4514, 5072, 5675, 6353, 7097, 7915, 8790, 9724, 10733, 11803, 12947, 14164, 15450, 16809, 18240, 19757, 21374, 23073, 24876, 26759]

cp's OEIS Frontend

A384505 a(n) is the number of multisets of n positive decimal digits where the sum of the digits equals the product of the prime digits.

Table of values

List of values