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 A156177 A bisection of A000436. 2
 1, 352, 7869952, 1243925143552, 722906928498737152, 1118389087843083461066752, 3794717805092151129643367268352, 24809622030942586708931326728787197952, 284876472796397041595189052788763077537431552, 5358281136280777382502986500754127200892786313265152 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA a(n) = | 3^(4*n)*2^(4*n+1)*lerchphi(-1,-4*n,1/3) |. - Peter Luschny, Apr 27 2013 PROG (Sage) from mpmath import * mp.dps = 64; mp.pretty = True def A156177(n): return abs(3^(4*n)*2^(4*n+1)*lerchphi(-1, -4*n, 1/3)) [A156177(n) for n in (0..9)]  # Peter Luschny, Apr 27 2013 CROSSREFS Sequence in context: A220686 A167820 A145633 * A104160 A145023 A177678 Adjacent sequences:  A156174 A156175 A156176 * A156178 A156179 A156180 KEYWORD nonn AUTHOR N. J. A. Sloane, Nov 07 2009 STATUS approved

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