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%I #11 Oct 25 2021 11:06:12
%S 1,2,3,4,5,6,8,9,10,11,47,48,49,50,51,7,12,13,14,15,16,52,53,54,55,56,
%T 57,58,27,28,29,30,31,32,33,34,17,18,19,20,21,22,23,24,25,60,61,62,63,
%U 64,65,66,67,68,69,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,1384
%N Triangle T(n, k), n > 0, 0 < k <= n, read by rows; the n-th row contains, in ascending order, the numbers m such that A307730(m) = n.
%H Rémy Sigrist, <a href="/A348579/b348579.txt">Table of n, a(n) for n = 1..10011</a> (rows for n = 1..141, flattened)
%H Rémy Sigrist, <a href="/A348579/a348579.gp.txt">PARI program for A348579</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F T(n, 1) = A348246(n).
%F T(n, n) = A348409(n).
%e Triangle T(n, k) begins:
%e n\k| 1 2 3 4 5 6 7 8 9 10
%e ---+----------------------------------------
%e 1| 1
%e 2| 2 3
%e 3| 4 5 6
%e 4| 8 9 10 11
%e 5| 47 48 49 50 51
%e 6| 7 12 13 14 15 16
%e 7| 52 53 54 55 56 57 58
%e 8| 27 28 29 30 31 32 33 34
%e 9| 17 18 19 20 21 22 23 24 25
%e 10| 60 61 62 63 64 65 66 67 68 69
%o (PARI) See Links section.
%Y Cf. A307720, A307730, A348246, A348409.
%K nonn,tabl
%O 1,2
%A _Rémy Sigrist_ and _N. J. A. Sloane_, Oct 24 2021
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