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 A152393 Column 1 of triangle A152391. 4
 1, 2, 6, 28, 150, 930, 6286, 46120, 359946, 2973650, 25766950, 233274228, 2195351158, 21414166970, 215809803270, 2242074012816, 23959435578514, 262910074728546, 2957549692243558, 34061536200099020, 401102135361004182 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..20. FORMULA a(n) is divisible by (n+1) for n>=0. EXAMPLE a(n)/(n+1) = [1,1,2,7,30,155,898,5765,39994,297365,2342450,...]. CROSSREFS Cf. A152391; columns: A152392, A152394; A152395. Sequence in context: A218941 A303829 A272820 * A305199 A295792 A004984 Adjacent sequences: A152390 A152391 A152392 * A152394 A152395 A152396 KEYWORD nonn AUTHOR Paul D. Hanna, Dec 11 2008 STATUS approved

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Last modified December 3 22:01 EST 2023. Contains 367540 sequences. (Running on oeis4.)