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A068126
Smallest triangular number whose final digits are A068125(n).
0
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
OFFSET
1,1
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 * A156225 A284327 A322219
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 21 2002
EXTENSIONS
More terms from Sascha Kurz, Apr 03 2002
Offset changed by Andrew Howroyd, Sep 21 2024
STATUS
approved