1,1
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Cf. A050288.
Adjacent sequences: A050275 A050276 A050277 this_sequence A050279 A050280 A050281
Sequence in context: A020666 A074205 A061604 this_sequence A051018 A020667 A154566
nonn,base,fini
Eric Weisstein (eric(AT)weisstein.com)
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