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A023401
If any even power of 2 ends with k 1's and 4's, they must be the first k terms of this sequence in reverse order.
3
4, 4, 1, 4, 1, 4, 1, 4, 4, 1, 1, 4, 4, 4, 4, 1, 4, 4, 1, 4, 1, 1, 1, 4, 1, 1, 1, 4, 4, 4, 1, 1, 4, 1, 1, 1, 1, 1, 1, 4, 4, 4, 1, 1, 1, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 1, 1, 4, 1, 4, 4, 1, 4, 1, 4, 4, 4, 1, 1, 1, 4, 4, 4, 4, 4, 1, 1, 4, 4, 1, 4, 4, 1, 1, 4, 1, 1, 1, 1, 4, 4, 4, 1, 4, 4, 4, 1, 1, 1, 4, 1, 4, 4, 4, 1, 1, 4
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A010656 A350674 A321591 * A055180 A030788 A087709
KEYWORD
nonn,base
STATUS
approved