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A379261 Irregular triangle T(n, k), n >= 0, k = 1..A379213(n), read by rows; the n-th row lists the nonnegative integers m such that A184615(m) = A003714(n).

%I A379261 #7 Dec 20 2024 12:37:30
%S A379261 0,1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,13,17,18,19,20,21,22,23,24,27,
%T A379261 28,30,31,32,25,29,33,26,34,35,36,37,38,39,40,41,42,43,44,46,47,48,54,
%U A379261 55,56,59,60,62,63,64,45,49,57,61,65,50,58,66,51,52,67,68
%N A379261 Irregular triangle T(n, k), n >= 0, k = 1..A379213(n), read by rows; the n-th row lists the nonnegative integers m such that A184615(m) = A003714(n).
%C A379261 As a flat sequence, this is a permutation of the nonnegative integers with inverse A379262.
%H A379261 Rémy Sigrist, <a href="/A379261/b379261.txt">Table of n, a(n) for n = 0..10922</a>
%H A379261 Rémy Sigrist, <a href="/A379261/a379261.gp.txt">PARI program</a>
%H A379261 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F A379261 T(n, A379213(n)) = A003714(n).
%e A379261 Triangle T(n, k) begins:
%e A379261   n   n-th row
%e A379261   --  ------------------------------
%e A379261    0  0
%e A379261    1  1
%e A379261    2  2
%e A379261    3  3, 4
%e A379261    4  5
%e A379261    5  6, 7, 8
%e A379261    6  9
%e A379261    7  10
%e A379261    8  11, 12, 14, 15, 16
%e A379261    9  13, 17
%e A379261   10  18
%e A379261   11  19, 20
%e A379261   12  21
%e A379261   13  22, 23, 24, 27, 28, 30, 31, 32
%e A379261   14  25, 29, 33
%e A379261   15  26, 34
%o A379261 (PARI) \\ See Links section.
%Y A379261 Cf. A003714, A184615, A379213, A379262 (inverse).
%K A379261 nonn,tabf,base
%O A379261 0,3
%A A379261 _Rémy Sigrist_, Dec 19 2024