A277699 Main diagonal of A277320: a(n) = A048720(n, A065621(n)).

1, 4, 9, 16, 57, 36, 49, 64, 209, 228, 217, 144, 233, 196, 225, 256, 801, 836, 809, 912, 793, 868, 785, 576, 1009, 932, 1017, 784, 969, 900, 961, 1024, 3137, 3204, 3145, 3344, 3193, 3236, 3185, 3648, 3217, 3172, 3225, 3472, 3241, 3140, 3233, 2304, 3937, 4036, 3945, 3728, 3929, 4068, 3921

Offset: 1

Author

Antti Karttunen, Nov 01 2016

Keywords

• nonn
• base

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8192
• Index entries for sequences related to binary expansion of n
• Index entries for sequences operating on polynomials in ring GF(2)[X]

Crossrefs

Cf. A000290, A023758, A048720, A065621, A277320.

Cf. A277704, A277706 (the positions of squares/nonsquares in this sequence).

Cf. A277805 (nonsquares in the order of appearance).

Programs

Scheme

(define (A277699 n) (A277320bi n n)) ;; Code for A277320bi given in A277320.

Formula

a(n) = A277320(n,n) = A048720(n, A065621(n)).

For n > 1, a(A023758(n)) = A000290(A023758(n)).