1,1
From a quiz.
K. Russell and P. Carter, Number Puzzles, W. Foulsham and Co. Ltd. (1993).
Sequence in context: A062999 A007638 A031332 this_sequence A022393 A042068 A042066
Adjacent sequences: A122467 A122468 A122469 this_sequence A122471 A122472 A122473
fini,full,nonn
Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006
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