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A068804 Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234.... 1
0, 1, 3, 6, 10, 21, 45, 78, 120, 190, 210, 231, 435, 465, 9180, 9870, 12403, 24310, 24531, 47586, 109278, 231540, 235641, 246753, 327645, 541320, 542361, 921403, 1053426, 1345620, 1360425 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..30.

EXAMPLE

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

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

CROSSREFS

Cf. A068708.

Sequence in context: A274018 A068149 A068709 * A117834 A317857 A220827

Adjacent sequences:  A068801 A068802 A068803 * A068805 A068806 A068807

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Mar 06 2002

EXTENSIONS

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

STATUS

approved

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Last modified May 22 14:32 EDT 2019. Contains 323480 sequences. (Running on oeis4.)