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1,5

a(A081237(n))=0.

Table of n, a(n) for n=1..75.

Sequence in context: A177806 A286550 A265511 * A182059 A103328 A167312

Adjacent sequences: A081233 A081234 A081235 * A081237 A081238 A081239

nonn

Reinhard Zumkeller, Mar 11 2003

approved