A081456 Product of entries in n-th row of triangle in A081454.
1, 4, 16, 36, 144, 1296, 14400, 57600, 518400, 6350400, 101606400, 914457600, 12294374400, 196709990400, 3292047360000, 44259747840000, 708155965440000, 17703899136000000, 269276305858560000, 4308420893736960000, 107710522343424000000, 3377801980689776640000
Offset: 1
Keywords
Links
- Max Alekseyev, Table of n, a(n) for n = 1..50
Formula
a(n) equals smallest integer square m^2 such that A086435(m^2)=n-1. - Max Alekseyev, Jul 16 2009
Extensions
More terms from David Garber, Jun 17 2003
More terms from Ray G. Opao, Aug 01 2005
Corrected and extended by R. J. Mathar, Nov 12 2006
More terms from Max Alekseyev, Jun 05, Jul 16 2009
Corrected and extended by Max Alekseyev, Jun 03 2023