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A068804 Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234.... 1

%I #4 Dec 05 2013 19:55:12

%S 0,1,3,6,10,21,45,78,120,190,210,231,435,465,9180,9870,12403,24310,

%T 24531,47586,109278,231540,235641,246753,327645,541320,542361,921403,

%U 1053426,1345620,1360425

%N Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234....

%e 9180 is a term whose digits can be arranged as 8901.

%e 47586 is a term as its digits can be arranged as 45678.

%Y Cf. A068708.

%K base,nonn

%O 0,3

%A _Amarnath Murthy_, Mar 06 2002

%E More terms from Christopher Lund (clund(AT)san.rr.com), Apr 14 2002

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)