A379124 a(n) = A379119(A379121(n)), where A379121 gives those odd squares k for which A379113(k) > 1 and A379119(n) = n/A379113(n).

25, 25, 361, 1369, 361, 25, 10201, 24025, 5041, 7225, 5041, 83521, 85849, 1369, 18769, 27889, 177241, 3969, 1092025, 1243225, 1352569, 13225, 30625, 978121, 5822569, 69169, 70225, 458329, 83521, 97969, 6241, 2253001, 2582449, 212521, 275625, 342225, 358801, 363609, 7502121, 45657049, 63696361, 65626201, 78659161

Offset: 1

Author

Antti Karttunen, Dec 18 2024

Keywords

• nonn

Comments

All terms are odd squares (A016754) by definition.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..2025
• Index entries for sequences defined by congruent products between domains N and GF(2)[X].
• Index entries for sequences related to polynomials in ring GF(2)[X].
• Index entries for sequences related to sigma(n).

Crossrefs

Cf. A016754, A114390, A133049, A379113, A379121, A379123, A379125.

Programs

PARI

forstep(n=1,2^18,2,d=A379113(n^2); if(d>1, print1((n^2)/d,", ")));

Formula

a(n) = A379121(n) / A379123(n).