%I A028267
%S A028267 1,3,4,5,8,6,13,7,19,26,45,9,34,71,90,10,43,105,161,11,53,148,266,322,
%T A028267 12,64,201,414,588,76,265,615,1002,1176,14,89,341,880,1617,2178,15,103,
%U A028267 430,1221,2497,3795,4356,16,118,533,1651,3718,6292,8151,17,134,651
%N A028267 Number of distinct elements in 3-Pascal triangle A028262 (by row).
%Y A028267 Sequence in context: A101761 A035359 A143593 this_sequence A092997 A021747 
               A105020
%Y A028267 Adjacent sequences: A028264 A028265 A028266 this_sequence A028268 A028269 
               A028270
%K A028267 nonn,easy,tabf
%O A028267 0,2
%A A028267 Mohammad K. Azarian (ma3(AT)evansville.edu)
%E A028267 More terms from James A. Sellers (sellersj(AT)math.psu.edu)