A372880 - cp's OEIS frontend

A372880 a(1) = 1; a(2) = 3; for n > 2, a(n) is the smallest proper multiple of a(n-1) that contains a(n-2) as subsequence of its digits.

n	a(n)
1	1
2	3
3	12
4	36
5	612
6	1836
7	168912
8	10810368
9	16366897152
10	51703028103168
11	1563447866811697152
12	23520172003575940628103168
13	1155558163424267804668132116971520
14	12369352104691609178206055357839959406281031680

[1, 3, 12, 36, 612, 1836, 168912, 10810368, 16366897152, 51703028103168, 1563447866811697152, 23520172003575940628103168, 1155558163424267804668132116971520, 12369352104691609178206055357839959406281031680]

cp's OEIS Frontend

A372880 a(1) = 1; a(2) = 3; for n > 2, a(n) is the smallest proper multiple of a(n-1) that contains a(n-2) as subsequence of its digits.

Table of values

List of values