1,1
Subsequence of A075430.
Cf. A063015, A039787, A049097.
Sequence in context: A141183 A103182 A045373 this_sequence A045374 A088179 A031873
Adjacent sequences: A075428 A075429 A075430 this_sequence A075432 A075433 A075434
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Sep 15 2002
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