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Permutation of natural numbers: a(n) = A122111(A243506(n)).
4

%I #5 Jan 17 2015 23:42:19

%S 1,2,8,4,24,5,8192,3,64,512,393216,32,7077888,320,384,6,

%T 3802951800684688204490109616128,15,300578991243264,11,1073741824,

%U 5184,1134000,128,100,1664,27,864,392318858461667547739736838950479151006397215279002157056000,65536,9822276308431282926640601754292746977280,16,1215

%N Permutation of natural numbers: a(n) = A122111(A243506(n)).

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%F a(n) = A122111(A243506(n)).

%o (Scheme) (define (A253884 n) (A122111 (A243506 n)))

%Y Inverse: A253883.

%Y Similar permutations: A253792, A253892, A122111, A243506.

%K nonn

%O 1,2

%A _Antti Karttunen_, Jan 17 2015