A217865 First differences of A050504.

1, 2, 2, 3, 2, 3, 3, 3, 4, 3, 3, 4, 3, 4, 4, 4, 4, 3, 4, 4, 5, 4, 4, 4, 4, 4, 5, 4, 5, 4, 4, 5, 4, 5, 5, 4, 5, 4, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 5, 5, 5, 5, 5, 6, 5, 5, 5, 6, 5, 5, 6, 5, 5, 6, 5, 5, 6, 5, 6, 5, 6, 5, 6

Offset

1,2

Links

Table of n, a(n) for n=1..87.

Formula

a(n) = A050504(n+1) - A050504(n).

Prog

(JavaScript)
for (i=1; i<88; i++)
document.write(Math.floor((i+1)*Math.log(i+1))-Math.floor(i*Math.log(i))+", ");

Crossrefs

Cf. A050504.

Sequence in context: A126071 A338292 A359728 * A185166 A276555 A348190

Adjacent sequences: A217862 A217863 A217864 * A217866 A217867 A217868

Keyword

nonn

Author

Jon Perry, Oct 13 2012

Status

approved