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A050760 Decimal expansion of triangular number k (values of k see A050759) contains no pair of consecutive equal digits. 1
0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 325, 351, 378, 406, 435, 465, 496, 528, 561, 595, 630, 703, 741, 780, 820, 861, 903, 946, 1035, 1081, 1275, 1326, 1378, 1431, 1485, 1540, 1596, 1653, 1830, 1891 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..51.

CROSSREFS

Cf. A043096, A000217, A050759.

Sequence in context: A046489 A277209 A089717 * A075057 A069792 A194153

Adjacent sequences:  A050757 A050758 A050759 * A050761 A050762 A050763

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1999.

STATUS

approved

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Last modified December 9 04:43 EST 2016. Contains 278960 sequences.