a(n) is the smallest number with exactly n divisors that are centered square numbers.

A358545

a(n) is the smallest number with exactly n divisors that are centered square numbers.

Terms

    a(0) =1a(1) =5a(2) =25a(3) =325a(4) =1625a(5) =1105a(6) =5525a(7) =27625a(8) =160225a(9) =1022125a(10) =801125a(11) =5928325a(12) =8491925a(13) =29641625a(14) =42459625a(15) =444215525a(16) =314201225a(17) =2003613625a(18) =1571006125a(19) =14826740825a(20) =12882250225a(21) =127081657625a(22) =64411251125a(23) =88717383625

External references