1,1
Cf. A046844.
Sequence in context: A105645 A098456 A126731 this_sequence A098772 A075796 A132396
Adjacent sequences: A046842 A046843 A046844 this_sequence A046846 A046847 A046848
hard,more,nonn,bref
Felice Russo (felice.russo(AT)katamail.com)
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