1,1
From a quiz.
K. Russell and P. Carter, Number Puzzles, W. Foulsham and Co. Ltd. (1993).
Table of n, a(n) for n=1..6.
Sequence in context: A062999 A007638 A031332 * A022393 A042068 A042066
Adjacent sequences: A122467 A122468 A122469 * A122471 A122472 A122473
fini,full,nonn,base
Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006
approved