1,4
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Cf. A052446, ..., A052448.
Adjacent sequences: A052444 A052445 A052446 this_sequence A052448 A052449 A052450
Sequence in context: A134055 A136281 A125698 this_sequence A114204 A129277 A120916
nonn,more
Eric Weisstein (eric(AT)weisstein.com)
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