Number of compositions (ordered partitions) of 1 into {1/1, 1/2, 1/3, ..., 1/n}.

A038034

Number of compositions (ordered partitions) of 1 into {1/1, 1/2, 1/3, ..., 1/n}.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =8a(5) =52a(6) =53a(7) =288a(8) =1209a(9) =5247a(10) =5248a(11) =71395a(12) =71396a(13) =375779a(14) =6957533a(15) =52310862a(16) =52310863a(17) =1152622553a(18) =1152622554a(19) =45575902465

External references