A048531 - cp's OEIS frontend

A048531 a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 1's.

n	a(n)
1	3
2	10
3	105
4	1010
5	10203
6	33928
7	105551
8	335128
9	1054130
10	12313046
11	100573943
12	333192303
13	1054092885
14	4261585525
15	30184681729
16	133083117303
17	331829837885
18	4136557897710
19	11666683809854
20	105410706823885
21	333183899837885
22	3333333637837885
23	6466156610468989
24	33928029520312720
25	138242940872632303

[3, 10, 105, 1010, 10203, 33928, 105551, 335128, 1054130, 12313046, 100573943, 333192303, 1054092885, 4261585525, 30184681729, 133083117303, 331829837885, 4136557897710, 11666683809854, 105410706823885, 333183899837885, 3333333637837885, 6466156610468989, 33928029520312720, 138242940872632303]

cp's OEIS Frontend

A048531 a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 1's.

Table of values

List of values