# Table of n, a(n) for n = 1..123 (rows 0..15) # A336110 Regular symmetric triangular array of Catalan based numbers, read by rows. # b-file rev. #89 by Sergii Voloshyn at Wed Sep 23 10:26:49 EDT 2020; header modified by Georg Fischer Sep 26 2020 1 1 2 1 3 2 4 -2 5 5 6 -14 7 5 8 14 9 -74 10 74 11 -14 12 42 13 -352 14 668 15 -352 16 42 17 132 18 -1588 19 4808 20 -4808 21 1588 22 -132 23 429 24 -6946 25 30371 26 -48540 27 30371 28 -6946 29 429 30 1430 31 -29786 32 176270 33 -407810 34 407810 35 -176270 36 29786 37 -1430 38 4862 39 -126008 40 964264 41 -3027080 42 4385332 43 -3027080 44 964264 45 -126008 46 4862 47 16796 48 -527900 49 5050000 50 -20552080 51 40446504 52 -40446504 53 20552080 54 -5050000 55 527900 56 -16796 57 58786 58 -2195580 59 25580410 60 -130461520 61 333283300 62 -452939368 63 333283300 64 -130461520 65 25580410 66 -2195580 67 58786 68 208012 69 -9080772 70 126214100 71 -785813820 72 2519169912 73 -4447008552 74 4447008552 75 -2519169912 76 785813820 77 -126214100 78 9080772 79 -208012 80 742900 81 -37392864 82 609664040 83 -4538294880 84 17785515980 85 -39428936640 86 51227765808 87 -39428936640 88 17785515980 89 -4538294880 90 609664040 91 -37392864 92 742900 93 2674440 94 -153434536 95 2893902512 96 -25322782768 97 118813223064 98 -322261347768 99 526026190368 100 -526026190368 101 322261347768 102 -118813223064 103 25322782768 104 -2893902512 105 153434536 106 -2674440 107 9694845 108 -627778954 109 13537114991 110 -137299390724 111 758263096261 112 -2464415292438 113 4923995505231 114 -6187203852984 115 4923995505231 116 -2464415292438 117 758263096261 118 -137299390724 119 13537114991 120 -627778954 121 9694845