A293600 - OEIS

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A293600 as a triangular array

1

1 -2

1 -3 2

1 -4 5 -2

1 -5 9 -7 2

1 -6 14 -16 9 -2

1 -7 20 -30 25 -11 2

1 -8 27 -50 55 -36 13 -2

1 -9 35 -77 105 -91 49 -15 2

1 -10 44 -112 182 -196 140 -64 17 -2

1 -11 54 -156 294 -378 336 -204 81 -19 2

1 -12 65 -210 450 -672 714 -540 285 -100 21 -2

1 -13 77 -275 660 -1122 1386 -1254 825 -385 121 -23 2

1 -14 90 -352 935 -1782 2508 -2640 2079 -1210 506 -144 25 -2

1 -15 104 -442 1287 -2717 4290 -5148 4719 -3289 1716 -650 169 -27 2

A293600 as a square array

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

-2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15

2 5 9 14 20 27 35 44 54 65 77 90 104

-2 -7 -16 -30 -50 -77 -112 -156 -210 -275 -352 -442

2 9 25 55 105 182 294 450 660 935 1287

-2 -11 -36 -91 -196 -378 -672 -1122 -1782 -2717

2 13 49 140 336 714 1386 2508 4290

-2 -15 -64 -204 -540 -1254 -2640 -5148

2 17 81 285 825 2079 4719

-2 -19 -100 -385 -1210 -3289

2 21 121 506 1716

-2 -23 -144 -650

2 25 169

-2 -27

2

A293600 as an upper right triangle