A132388 Same as A007488, but with the numbers arranged so that their reversals are in increasing order.

61, 691, 163, 487, 4201, 9631, 4441, 1861, 4483, 5227, 1297, 5209, 9049, 63211, 16141, 69481, 12391, 94273, 61483, 65707, 14437, 67057, 92767, 16987, 96979, 65899, 526501, 485701, 165901, 655111, 522211, 906421, 520621, 123031, 440131, 921931, 921241

Offset: 1

Author

N. J. A. Sloane, based on an email from Jeremy Gardiner, Nov 12 2007

Keywords

• nonn
• base
• easy

Links

• Nathaniel Johnston, Table of n, a(n) for n = 1..10000
• NCES, Mind Benders [Source for sequence]

Crossrefs

Cf. A068989.

Programs

Maple

read transforms: A132388ind := proc(n) option remember: local d,k: if(n=1)then return 4: fi: for k from procname(n-1)+1 do d:=digrev(k^2): if(length(k^2)=length(d) and isprime(digrev(k^2)))then return k: fi: od: end: A132388 := proc(n) return digrev(A132388ind(n)^2): end: seq(A132388(n),n=1..50); # Nathaniel Johnston, May 06 2011

Extensions

Better description from Zak Seidov, Nov 14 2007