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 A178113 Transform of C(n+1,floor((n+1)/2)) by A178112. 1
 1, 2, 2, 4, 5, 10, 13, 26, 35, 70, 96, 192, 267, 534, 750, 1500, 2123, 4246, 6046, 12092, 17303, 34606, 49721, 99442, 143365, 286730, 414584, 829168, 1201917, 2403834, 3492117, 6984234, 10165779, 20331558, 29643870, 59287740, 86574831, 173149662 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Hankel transform is A178115. The formula below seems to generate A026392, not these terms. - R. J. Mathar, Feb 10 2015 LINKS Table of n, a(n) for n=0..37. FORMULA a(n)=sum{k=0..n, C(floor(n/2),floor(k/2))*((1+(-1)^(n-k))/2)*C(k+1,floor((k+1)/2). CROSSREFS Sequence in context: A222006 A127712 A305840 * A032090 A000014 A114851 Adjacent sequences: A178110 A178111 A178112 * A178114 A178115 A178116 KEYWORD easy,nonn AUTHOR Paul Barry, May 20 2010 STATUS approved

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Last modified June 7 02:08 EDT 2023. Contains 363151 sequences. (Running on oeis4.)