A263096 Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)).

1, 1, 2, 2, 3, 4, 6, 6, 7, 10, 13, 15, 18, 26, 28, 35, 40, 50, 70, 86, 100, 122, 141, 158, 166, 212, 224, 235, 288, 332, 407, 470, 526, 576, 706, 744, 815, 848, 1039, 1200, 1470, 1697, 1898, 2079, 2546, 2684, 2940, 3287, 3796, 4158, 4649, 5694, 6062, 6575, 7826, 8573, 10500, 11068, 12125, 13556, 15653, 17147, 19172, 23480, 26426, 27113, 33206, 37373, 45772, 46961, 48248, 52853, 59092, 68233, 74746, 83568, 102350

Offset: 1

Author

Antti Karttunen, Oct 10 2015

Keywords

• nonn

Comments

a(n) = number of strictly positive squares <= A002182(n).

Links

• Antti Karttunen, Table of n, a(n) for n = 1..1000 (based on the b-file of A002182 provided by _T. D. Noe_.)

Crossrefs

Cf. A000196, A002182, A263097, A263098.

Programs

Scheme

(define (A263096 n) (A000196 (A002182 n)))

Formula

a(n) = A000196(A002182(n)).