A054847 Nearest integer to (nearest integer to n^(2/3))^(3/2).

0, 1, 3, 3, 5, 5, 5, 8, 8, 8, 11, 11, 11, 15, 15, 15, 15, 19, 19, 19, 19, 23, 23, 23, 23, 27, 27, 27, 27, 27, 32, 32, 32, 32, 32, 36, 36, 36, 36, 42, 42, 42, 42, 42, 42, 47, 47, 47, 47, 47, 52, 52, 52, 52, 52, 52, 58, 58, 58, 58, 58, 58, 64, 64, 64, 64, 64, 64, 70, 70, 70, 70

Offset: 0

Author

Henry Bottomley, Apr 14 2000

Keywords

• easy
• nonn

Crossrefs

Cf. A002821, A054846, A054848.

Formula

a(n)=A002821(A054846(n))