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Search: id:A068126
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A068126 Smallest triangular numbers with possible initial (least significant) digits. +0
1
10, 1, 3, 15, 6, 28, 10, 1711, 15, 2016, 120, 21, 325, 1326, 28, 630, 231, 435, 36, 1540, 741, 45, 946, 2850, 351, 153, 55, 2556, 3160, 561, 465, 66, 1770, 171, 1275, 276, 78, 780, 1081, 1485, 3486, 190, 91, 595, 496, 20100, 112101, 105, 26106, 16110, 105111 (list; graph; listen)
OFFSET

0,1

EXAMPLE

11 is a term as 1711 is a triangular number. 13 is not as no triangular number is of the form 100k + 13.

CROSSREFS

Cf. A068125.

Sequence in context: A010181 A111525 A138261 this_sequence A010182 A100925 A082263

Adjacent sequences: A068123 A068124 A068125 this_sequence A068127 A068128 A068129

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 21 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Apr 03 2002

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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