A202208 Smallest square (>4n) == 1 mod 4n.

9, 9, 25, 49, 81, 25, 169, 225, 289, 81, 441, 49, 625, 169, 121, 961, 1089, 289, 1369, 81, 169, 441, 2025, 289, 2401, 625, 2809, 225, 3249, 121, 3721, 3969, 529, 1089, 841, 289, 5329, 1369, 625, 961, 6561, 169, 7225, 529, 361, 2025, 8649, 961, 9409, 2401

Offset

1,1

Comments

This is to squares as A070848 to primes.

Links

Table of n, a(n) for n=1..50.

Prog

(PARI) {nn=100; for(n=1, nn, s=1+4*n; while(!issquare(s), s=s+4*n); print1(s, ", "))}

Crossrefs

Cf. A070848.

Sequence in context: A147462 A146367 A014725 * A059816 A339716 A111005

Adjacent sequences: A202205 A202206 A202207 * A202209 A202210 A202211

Keyword

nonn

Author

Zak Seidov, Dec 14 2011

Status

approved