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 A080044 Numerators of triangular array: T(n,1)=T(n,n)=1/n and T(n,k)=T(n-1,k-1)+T(n-1,k), 1
 1, 1, 1, 1, 1, 1, 1, 4, 4, 1, 1, 19, 8, 19, 1, 1, 107, 17, 17, 107, 1, 1, 39, 181, 17, 181, 39, 1, 1, 293, 479, 218, 218, 479, 293, 1, 1, 621, 1058, 1351, 436, 1351, 1058, 621, 1, 1, 5869, 10327, 4563, 619, 619, 4563, 10327, 5869, 1, 1, 6121, 3685, 7541, 17677, 619, 17677 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 LINKS EXAMPLE Triangle begins:.................. Numerators: .............1/1.........................1 ..........1/2...1/2....................1...1 .......1/3...1/1...1/3...............1...1...1 ....1/4...4/3...4/3...1/4..........1...4...4...1 .1/5..19/12..8/3..19/12..1/5.....1..19...8..19...1. CROSSREFS Cf. A007318, A080045. Sequence in context: A221837 A189150 A155194 * A128433 A089746 A225330 Adjacent sequences:  A080041 A080042 A080043 * A080045 A080046 A080047 KEYWORD nonn,tabl,frac AUTHOR Reinhard Zumkeller, Jan 21 2003 STATUS approved

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Last modified June 26 00:10 EDT 2019. Contains 324367 sequences. (Running on oeis4.)