A036385 Number of split numbers (A036382) with binary order (A029837) n, i.e., those in interval [ 2^(n-1), 2^n ].

0, 0, 1, 3, 8, 18, 39, 81, 167, 342, 702, 1423, 2902, 5871, 11888, 24027, 48519, 97900, 197375, 397713, 800877, 1612007, 3243196, 6522366, 13112877, 26354391, 52951859, 106364992, 213608176, 428885665, 860959606

Offset

1,4

Links

Table of n, a(n) for n=1..31.

Example

Out of the 128 numbers with the binary order 8, there are 81 split numbers (odd + even); so a(7)=81.

Crossrefs

Cf. A029827, A029837, A036378-A036390.

Sequence in context: A238361 A178420 A011377 * A196534 A317188 A360784

Adjacent sequences: A036382 A036383 A036384 * A036386 A036387 A036388

Keyword

nonn,more

Author

Labos Elemer

Extensions

a(20)-a(31) from Sean A. Irvine, Oct 29 2020

Status

approved