1,3
If Goldbach conjecture is false than for some n should be a(n)=a(n+1).
C. Clawson, Mathematical mysteries, Plenum Press 1996, p. 241.
Index entries for sequences related to Goldbach conjecture
Cf. A002375, A045922.
Sequence in context: A080276 A120836 A011864 this_sequence A006856 A140199 A072190
Adjacent sequences: A045916 A045917 A045918 this_sequence A045920 A045921 A045922
easy,nonn
Felice Russo (felice.russo(AT)katamail.com)
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