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A276947
First differences of A256450: a(n) = A256450(n) - A256450(n-1).
2
1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
OFFSET
1,3
FORMULA
a(n) = A256450(n) - A256450(n-1). [Note that the indexing of A256450 begins from zero.]
PROG
(Scheme) (define (A276947 n) (- (A256450 n) (A256450 (- n 1))))
CROSSREFS
Cf. A256450.
Cf. also A276948, A257682, A257681.
Sequence in context: A075774 A367760 A195007 * A178085 A078572 A122750
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Sep 22 2016
STATUS
approved