1,2
Cf. A091165 + A091166 + A091167 + A091168 + A091169 + A091170 + A091171 + A091172 +3 (for 2, 3 & 5) = A006880.
Adjacent sequences: A091164 A091165 A091166 this_sequence A091168 A091169 A091170
Sequence in context: A121723 A037775 A037663 this_sequence A037782 A041661 A037586
nonn
Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 12 2004
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