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A068818
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a(n) = smallest triangular number having no digit in common with the previous term, with a(1) = 1.
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0
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1, 3, 6, 10, 28, 36, 45, 66, 78, 91, 253, 406, 528, 630, 741, 820, 946, 1035, 2278, 3003, 4186, 5050, 6216, 7503, 8128, 9045, 11628, 33930, 41616, 52003, 61776, 80200, 93961, 200028, 311655, 422740, 511566, 723003, 846951, 3027030, 4114146
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| a(42), if it exists, is greater than 2 * 10^18. a(43) almost certainly does not exist.
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CROSSREFS
| Sequence in context: A117224 A173957 A048006 * A137173 A116544 A068866
Adjacent sequences: A068815 A068816 A068817 * A068819 A068820 A068821
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KEYWORD
| nonn,base
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 07 2002
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EXTENSIONS
| Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 27 2002
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