Left side of irregular triangle of natural numbers in which the n-th row has at least n terms and every row product is a multiple of the previous.

A093911

Left side of irregular triangle of natural numbers in which the n-th row has at least n terms and every row product is a multiple of the previous.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =7a(4) =11a(5) =17a(6) =27a(7) =47a(8) =87a(9) =167a(10) =327a(11) =635a(12) =1263a(13) =2519a(14) =5007a(15) =10007a(16) =19947a(17) =39875a(18) =79739a(19) =159399a(20) =318779a(21) =637503a(22) =1274999a(23) =2549979a(24) =5099903a(25) =10199787a(26) =20399535a(27) =40799063a(28) =81598083a(29) =163196135

External references