A100498 Smallest square that is equal to the sum of n distinct primes plus 1.
1, 4, 9, 16, 36, 49, 64, 81, 100, 121, 144, 169, 256, 289, 324, 361, 400, 441, 576, 625, 676, 729, 900, 961, 1024, 1089, 1296, 1369, 1444, 1521, 1764, 1849, 1936, 2025, 2304, 2401, 2500, 2601, 2916, 3025, 3136, 3481, 3600, 3721, 3844, 4225, 4356, 4489
Offset: 0
Keywords
Examples
a(1)=4 because 2^2=1+3; a(2)=9 because 3^2=1+3+5; a(3)=16 because 4^2=1+3+5+7.
Extensions
Extended by Ray Chandler, Jan 10 2005