Practical numbers with a record gap to the next practical number.

Terms

a(0) =1a(1) =2a(2) =8a(3) =42a(4) =112a(5) =180a(6) =840a(7) =1600a(8) =6216a(9) =6272a(10) =16770a(11) =24240a(12) =29440a(13) =35910a(14) =184140a(15) =197912a(16) =266112a(17) =319808a(18) =1321376a(19) =2003688a(20) =3121328a(21) =3696480a(22) =4017216a(23) =4543672a(24) =5300910a(25) =5791302a(26) =11582680a(27) =12142088a(28) =27631300a(29) =31187592