Number of ordered pairs (p,q) of partitions of n such that the set of parts in q is equal to the set of parts in p.

A369695

Number of ordered pairs (p,q) of partitions of n such that the set of parts in q is equal to the set of parts in p.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =9a(6) =13a(7) =23a(8) =32a(9) =54a(10) =80a(11) =126a(12) =183a(13) =283a(14) =407a(15) =626a(16) =881a(17) =1307a(18) =1867a(19) =2704a(20) =3807a(21) =5472a(22) =7628a(23) =10751a(24) =14939a(25) =20782a(26) =28618a(27) =39492a(28) =53878a(29) =73521

External references