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Numbers k such that the digits of k^3, reversed, include the digits of k as substring.
3

%I #5 Jul 15 2021 21:22:57

%S 1,4,5,6,9,39,67,99,670,735,999,2424,5619,6700,6966,9999,14597,15458,

%T 29266,33795,43259,49664,61256,69566,75463,80238,97155,99999,123798,

%U 190544,290105,292660,424068,424846,429163,432590,625503,658458

%N Numbers k such that the digits of k^3, reversed, include the digits of k as substring.

%e 735^3 = 39706(537)5.

%Y Cf. A115761, A115763, A115764, A115739.

%K base,nonn

%O 1,2

%A _Giovanni Resta_, Jan 30 2006