143044

Appears in sequences

• Successive approximations to 13-adic integer sqrt(-1).at n=4A034944
• Smallest k such that k^2+1 is divisible by A002144(n)^5.at n=1A145298
• Numbers n such that 5n is a partition number.at n=16A217725
• a(n) is smallest number such that a(n)^2 + 1 is divisible by 13^n.at n=5A218709
• One of the two successive approximations up to 13^n for 13-adic integer sqrt(-1). Here the 5 (mod 13) case (except for n=0).at n=5A286840