A055481 - cp's OEIS frontend

A055481 Numbers k for which there exists some m such that k = Sum_{i=1..1+floor(log_10(k))} binomial(m, d_i), where d_i is the i-th digit of k.

n	a(n)
1	1
2	10
3	18
4	21
5	72
6	100
7	101
8	111
9	134
10	231
11	246
12	505
13	682
14	1000
15	1010
16	1100
17	1122
18	2210
19	3103
20	4006
21	6008
22	10000
23	10001
24	10012
25	11101
26	15453
27	20101
28	29358
29	34698
30	56576
31	84304
32	100000
33	100010
34	100011
35	100100
36	100101
37	100110
38	100303
39	101000
40	101001
41	101010

[1, 10, 18, 21, 72, 100, 101, 111, 134, 231, 246, 505, 682, 1000, 1010, 1100, 1122, 2210, 3103, 4006, 6008, 10000, 10001, 10012, 11101, 15453, 20101, 29358, 34698, 56576, 84304, 100000, 100010, 100011, 100100, 100101, 100110, 100303, 101000, 101001, 101010]

cp's OEIS Frontend

A055481 Numbers k for which there exists some m such that k = Sum_{i=1..1+floor(log_10(k))} binomial(m, d_i), where d_i is the i-th digit of k.

Table of values

List of values