Irregular triangle in which row n consists of the smaller of pairs of amicable numbers of the form 2^n pq, with p and q odd primes.
A180650
Irregular triangle in which row n consists of the smaller of pairs of amicable numbers of the form 2^n pq, with p and q odd primes.
Terms
- a(0) =2620a(1) =5020a(2) =10744a(3) =66928a(4) =171856a(5) =176272a(6) =437456a(7) =503056a(8) =1392368a(9) =2802416a(10) =2082464a(11) =15002464a(12) =17908064a(13) =7677248a(14) =56055872a(15) =1237888448a(16) =1750776704a(17) =16873473664a(18) =749380864a(19) =902335744a(20) =4377991936a(21) =74006870272a(22) =243815958784
External references
- oeis: A180650