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A062829
Smallest triangular numbers that contain the digits of n anywhere in their middle.
1
0, 1, 120, 3, 741, 153, 6, 171, 780, 190, 10, 11175, 1128, 11325, 2145, 15, 3160, 1176, 4186, 11935, 12090, 21, 1225, 22366, 3240, 5253, 7260, 1275, 28, 10296, 13041, 9316, 1326, 13366, 2346, 5356, 36, 1378, 7381, 17391, 3403, 2415, 25425, 1431
OFFSET
0,3
EXAMPLE
11175 is the smallest triangular number that contains 11 in its middle (even though not in its exact middle).
CROSSREFS
Cf. A062690.
Sequence in context: A090217 A267570 A267286 * A163598 A062690 A267745
KEYWORD
easy,nonn,base
AUTHOR
Harvey P. Dale, Jul 20 2001
STATUS
approved