Number of subpartitions of partition P=[0,0,0,1,1,1,1,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+25) - 5)/2].

A121432

Number of subpartitions of partition P=[0,0,0,1,1,1,1,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+25) - 5)/2].

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =4a(7) =5a(8) =11a(9) =18a(10) =26a(11) =35a(12) =45a(13) =101a(14) =169a(15) =250a(16) =345a(17) =455a(18) =581a(19) =1305a(20) =2190a(21) =3255a(22) =4520a(23) =6006a(24) =7735a(25) =9730a(26) =21745a(27) =36360a(28) =53916a(29) =74781

External references