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A162613 Triangle read by rows in which row n lists n terms, starting with n, with gaps = n^2-1 between successive terms.

%I A162613 #11 Dec 17 2019 05:33:20
%S A162613 1,2,5,3,11,19,4,19,34,49,5,29,53,77,101,6,41,76,111,146,181,7,55,103,
%T A162613 151,199,247,295,8,71,134,197,260,323,386,449,9,89,169,249,329,409,
%U A162613 489,569,649,10,109,208,307,406,505,604,703,802,901,11,131,251,371,491,611
%N A162613 Triangle read by rows in which row n lists n terms, starting with n, with gaps = n^2-1 between successive terms.
%C A162613 Note that the last term of the n-th row is A100104(n).
%H A162613 Harvey P. Dale, <a href="/A162613/b162613.txt">Table of n, a(n) for n = 1..1000</a>
%e A162613 Triangle begins:
%e A162613   1;
%e A162613   2,   5;
%e A162613   3,  11,  19;
%e A162613   4,  19,  34,  49;
%e A162613   5,  29,  53,  77, 101;
%e A162613   6,  41,  76, 111, 146, 181;
%t A162613 Table[NestList[#+n^2-1&,n,n-1],{n,11}]//Flatten (* _Harvey P. Dale_, Feb 24 2016 *)
%Y A162613 Cf. A000578, A100104, A159797, A159798, A162610, A162611, A162612.
%Y A162613 Cf. A100855 (row sums). - _R. J. Mathar_, Jul 20 2009
%K A162613 easy,nonn,tabl
%O A162613 1,2
%A A162613 _Omar E. Pol_, Jul 09 2009
%E A162613 More terms from _Vincenzo Librandi_, Aug 02 2010