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A381627 Irregular table T(n, k), n >= 0, k = 1..A381625(n): the n-th row lists the numbers m such that A381624(m) = n.

%I A381627 #8 Mar 03 2025 09:33:35
%S A381627 0,1,2,3,4,5,6,7,9,8,10,11,12,13,14,15,16,18,17,19,27,20,28,21,29,22,
%T A381627 30,23,31,24,32,25,33,26,34,36,35,37,38,39,40,41,42,43,45,44,46,54,47,
%U A381627 55,81,48,56,82,49,57,83,50,58,84,51,59,85,52,60,86,53,61,63,87
%N A381627 Irregular table T(n, k), n >= 0, k = 1..A381625(n): the n-th row lists the numbers m such that A381624(m) = n.
%C A381627 As a flat sequence, this is a permutation of the nonnegative integers with inverse A381628.
%H A381627 Rémy Sigrist, <a href="/A381627/b381627.txt">Table of n, a(n) for n = 0..9890</a>
%H A381627 Rémy Sigrist, <a href="/A381627/a381627.gp.txt">PARI program</a>
%H A381627 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A381627 Table T(n, k) begins:
%e A381627   n   n-th row
%e A381627   --  ----------
%e A381627    0  0
%e A381627    1  1
%e A381627    2  2
%e A381627    3  3
%e A381627    4  4
%e A381627    5  5
%e A381627    6  6
%e A381627    7  7, 9
%e A381627    8  8, 10
%e A381627    9  11
%e A381627   10  12
%e A381627   11  13
%e A381627   12  14
%e A381627   13  15
%e A381627   14  16, 18
%e A381627   15  17, 19, 27
%e A381627   16  20, 28
%o A381627 (PARI) \\ See Links section.
%Y A381627 Cf. A381624, A381625, A381628 (inverse).
%K A381627 nonn,base,tabf
%O A381627 0,3
%A A381627 _Rémy Sigrist_, Mar 02 2025