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Inverse permutation of A371113.
2

%I #7 Apr 21 2024 00:02:08

%S 0,1,3,4,6,7,9,10,12,13,2,15,16,18,19,21,22,24,25,27,28,30,31,33,34,

%T 36,37,39,40,42,43,45,5,46,48,49,51,52,54,55,57,58,60,61,63,64,66,67,

%U 69,70,72,73,75,76,8,78,79,81,82,84,85,87,88,90,91,93,94,96,97,99,100,102

%N Inverse permutation of A371113.

%e For all n >= 0, we have a(A371113(n)) = n = A371113(a(n)):

%e n | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14

%e ----------+---+---+----+---+---+----+---+----+----+----+----+----+----+----+----

%e a(n) | 0 | 1 | 10 | 2 | 3 | 32 | 4 | 5 | 54 | 6 | 7 | 76 | 8 | 9 | 98

%e ----------+---+---+----+---+---+----+---+----+----+----+----+----+----+----+----

%e A371113(n)| 0 | 1 | 3 | 4 | 6 | 7 | 9 | 10 | 12 | 13 | 2 | 15 | 16 | 18 | 19

%o (PARI) A369856=Map(); for(i=1, #A=A371113_upto(200),mapput(A369856,A[i],i-1)); for(i=0,oo,iferr(print1(mapget(A369856,i)", "),E,break))

%K nonn,base

%O 0,3

%A _M. F. Hasler_, Apr 20 2024