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A068135
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Smallest prime ending in reverse concatenation of first n natural numbers.
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1
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11, 421, 1321, 14321, 154321, 16654321, 37654321, 1487654321, 28987654321, 310987654321, 21110987654321, 11121110987654321, 113121110987654321, 11413121110987654321, 10151413121110987654321, 3416151413121110987654321
(list; graph; refs; listen; history; internal format)
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