Number of partitions of the n-th triangular number involving only the numbers 1..n and with exactly n terms.

A076822

Number of partitions of the n-th triangular number involving only the numbers 1..n and with exactly n terms.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =12a(6) =32a(7) =94a(8) =289a(9) =910a(10) =2934a(11) =9686a(12) =32540a(13) =110780a(14) =381676a(15) =1328980a(16) =4669367a(17) =16535154a(18) =58965214a(19) =211591218a(20) =763535450a(21) =2769176514a(22) =10089240974a(23) =36912710568a(24) =135565151486a(25) =499619269774

External references