462 series/series.23.p
Description
This article is from the Puzzles FAQ, by Chris Cole chris@questrel.questrel.com and Matthew Daly mwdaly@pobox.com with numerous contributions by others.
462 series/series.23.p
22 22 30 13 13 16 16 28 28 11 ?
series/series.23.s
ANSWER: 15
The birthdays of the Presidents of the United States.
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