A193381 - cp's OEIS frontend

A193381 Largest multiple of n which is a concatenation of the n numbers n(n-1)/2,...,n(n+1)/2-1, or 0 if no such number exists.

n	a(n)
1	0
2	12
3	543
4	9876
5	1413121110
6	201918171516
7	27262524212322
8	3534333231302928
9	444342414039383736
10	54535251494847464550
11	6564636261605958575655
12	777675747372717069676668
13	90898887868584838281798078
14	999897969594939291104103101102100

[0, 12, 543, 9876, 1413121110, 201918171516, 27262524212322, 3534333231302928, 444342414039383736, 54535251494847464550, 6564636261605958575655, 777675747372717069676668, 90898887868584838281798078, 999897969594939291104103101102100]

cp's OEIS Frontend

A193381 Largest multiple of n which is a concatenation of the n numbers n(n-1)/2,...,n(n+1)/2-1, or 0 if no such number exists.

Table of values

List of values