0,1
J. Wallgren, Hierarchical sequences
a[n]=12*a001787[n]
Sequence in context: A009958 A135453 A006564 this_sequence A117027 A007200 A061148
Adjacent sequences: A059159 A059160 A059161 this_sequence A059163 A059164 A059165
easy,nonn
Jonas Wallgren (jonwa(AT)ida.liu.se), Feb 02 2001
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