A036384 Number of odd split numbers (A036382) in the interval [2^(n-1), 2^n].

0, 0, 0, 0, 1, 3, 8, 18, 40, 87, 191, 400, 855, 1776, 3697, 7644, 15752, 32365, 66304, 135570, 276590, 563432, 1146045, 2328063, 4724270, 9577176, 19397428, 39256129, 79390449, 160450210, 324088695, 654261484

Offset

1,6

Links

Table of n, a(n) for n=1..32.

Example

Out of the 512 numbers with "binary order" ceiling(log_2(x)) = 10, there are 87 odd split numbers.

Crossrefs

Cf. A029827, A029837, A036378-A036390.

Sequence in context: A026635 A135094 A026657 * A294591 A080692 A117080

Adjacent sequences: A036381 A036382 A036383 * A036385 A036386 A036387

Keyword

nonn

Author

Labos Elemer

Extensions

Name simplified by M. F. Hasler, Apr 19 2017

a(21)-a(32) from Giovanni Resta, Apr 21 2017

Status

approved