A278238 a(n) = A278233(A000695(n)) = A278233(n)^2.

1, 4, 4, 16, 16, 36, 4, 64, 36, 144, 4, 144, 4, 36, 64, 256, 256, 900, 4, 1296, 16, 36, 36, 576, 4, 36, 144, 144, 36, 576, 4, 1024, 36, 2304, 36, 3600, 4, 36, 144, 5184, 4, 144, 36, 144, 576, 900, 4, 2304, 36, 36, 1024, 144, 36, 3600, 4, 576, 144, 900, 4, 5184, 4, 36, 144

Offset: 1

Author

Antti Karttunen, Nov 17 2016

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..256
• Index entries for sequences computed from exponents in factorization of n
• Index entries for sequences operating on polynomials in ring GF(2)[X]

Crossrefs

Cf. A048720, A000695, A278233, A278239, A278254.

Programs

Scheme

(define (A278238 n) (A278233 (A000695 n)))

Formula

a(n) = A278233(A000695(n)).

a(n) = A278233(n)^2.