A329764 - cp's OEIS frontend

A329764 a(1) = 1; thereafter a(n+1) > a(n) is the smallest multiple of a(n) using only odd digits but not divisible by 9.

n	a(n)
1	1
2	3
3	15
4	75
5	375
6	9375
7	159375
8	71559375
9	1195399359375
10	353915911333359375
11	51915571117579153359375
12	753315397517553377717399173359375
13	3319771735775931191533111595353537393933359375

[1, 3, 15, 75, 375, 9375, 159375, 71559375, 1195399359375, 353915911333359375, 51915571117579153359375, 753315397517553377717399173359375, 3319771735775931191533111595353537393933359375]

cp's OEIS Frontend

A329764 a(1) = 1; thereafter a(n+1) > a(n) is the smallest multiple of a(n) using only odd digits but not divisible by 9.

Table of values

List of values