A339978 - cp's OEIS frontend

A339978 a(n) is the largest prime whose decimal expansion consists of the concatenation of a 1-digit square, a 2-digit square, a 3-digit square, ..., and an n-digit square, or 0 if there is no such prime.

n	a(n)
1	0
2	449
3	981961
4	9819619801
5	981961980196721
6	981961980199856194481
7	9819619801998569980018946081
8	981961980199856998001999824499740169
9	981961980199856998001999824499980001989039601
10	9819619801998569980019998244999800019999508849977812321

[0, 449, 981961, 9819619801, 981961980196721, 981961980199856194481, 9819619801998569980018946081, 981961980199856998001999824499740169, 981961980199856998001999824499980001989039601, 9819619801998569980019998244999800019999508849977812321]

cp's OEIS Frontend

A339978 a(n) is the largest prime whose decimal expansion consists of the concatenation of a 1-digit square, a 2-digit square, a 3-digit square, ..., and an n-digit square, or 0 if there is no such prime.

Table of values

List of values