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 A202076 T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and the sum of every adjacent pair being odd 12
 2, 4, 4, 10, 20, 2, 14, 56, 26, 0, 24, 120, 78, 0, 6, 30, 220, 264, 0, 96, 12, 44, 364, 504, 0, 1014, 524, 6, 52, 560, 1128, 0, 3752, 5832, 726, 0, 70, 816, 1786, 0, 15010, 34632, 8412, 0, 20, 80, 1140, 3262, 0, 35604, 142692, 80812, 0, 2760, 40, 102, 1540, 4660, 0, 95342 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..2.....4.....10.......14........24........30.........44..........52 ..4....20.....56......120.......220.......364........560.........816 ..2....26.....78......264.......504......1128.......1786........3262 ..0.....0......0........0.........0.........0..........0...........0 ..6....96...1014.....3752.....15010.....35604......95342......181834 .12...524...5832....34632....142692....462436....1264272.....3044496 ..6...726...8412....80812....340660...1516410....4213042....12861252 ..0.....0......0........0.........0.........0..........0...........0 .20..2760.118560..1201220..10924220..50331332..241384794...755963886 .40.15560.691352.11395632.105606040.670671976.3259289000.12973320840 LINKS R. H. Hardin, Table of n, a(n) for n = 1..9999 EXAMPLE Some solutions for n=3 k=3 ..0....0....0....2....2....0....2....2....0....0....0...-2....2....0...-2...-2 ..1...-1....3....1...-1....1....1...-1....1...-1...-1....3...-3...-3....3....3 .-2...-2...-2...-2....0....2....0....0....0....2....0...-2....2....2...-2....0 ..1....1...-3...-3....1...-3...-1...-3...-3...-1....3....3...-3...-1...-1...-3 ..0....2....2....2...-2....0...-2....2....2....0...-2...-2....2....2....2....2 CROSSREFS Row 1 is A152749 Row 2 is A002492 Sequence in context: A118336 A193852 A327544 * A199825 A121049 A056415 Adjacent sequences:  A202073 A202074 A202075 * A202077 A202078 A202079 KEYWORD nonn,tabl AUTHOR R. H. Hardin Dec 10 2011 STATUS approved

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Last modified January 20 23:18 EST 2022. Contains 350473 sequences. (Running on oeis4.)