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A068804
Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234....
3
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, 1390278, 1405326, 1624503, 1679028, 2098176, 2465310, 2467531, 3049215, 3078921
OFFSET
1,3
LINKS
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
Intersection of A000217 and A376300.
Cf. A068708.
Sequence in context: A274018 A068149 A068709 * A117834 A317857 A346733
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Mar 06 2002
EXTENSIONS
More terms from Christopher Lund (clund(AT)san.rr.com), Apr 14 2002
Offset changed and a(32) onwards from Andrew Howroyd, Sep 19 2024
STATUS
approved