A161921 The bisection A053445(2n+1).

0, 0, 0, 1, 2, 3, 7, 11, 17, 28, 43, 63, 96, 139, 199, 287, 406, 566, 792, 1092, 1496, 2045, 2772, 3733, 5016, 6696, 8897, 11784, 15534, 20391, 26692, 34797, 45207, 58564, 75614, 97328, 124953, 159945, 204185, 260025, 330286, 418506, 529106, 667380, 839938

Offset: 0

Author

Alford Arnold, Jul 05 2009

Keywords

• easy
• nonn

Links

• Nathaniel Johnston, Table of n, a(n) for n = 0..2500

Crossrefs

Cf. A160644 (the other bisection), A160643 (first differences of a(n)).

Programs

Mathematica

Take[Differences[Table[PartitionsP[n],{n,0,100}],2],{2,-1,2}] (* Harvey P. Dale, Sep 02 2013 *)