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1,1
The n-th entry a(n) means that a(n) is the index of the first term in A000045+21 which n divides.
Table of n, a(n) for n=1..60.
Cf. A214789, A213790, A214791, A214792
Sequence in context: A062405 A071181 A213675 * A214253 A171967 A079964
Adjacent sequences: A214792 A214793 A214794 * A214796 A214797 A214798
nonn
Art DuPre, Aug 03 2012
Definition corrected. - R. J. Mathar, Aug 09 2012
approved