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A059370 Triangle of numbers obtained by inverting infinite matrix defined in A059369, read from right to left. 3
1, 1, -2, 1, -4, 2, 1, -6, 8, -4, 1, -8, 18, -16, -4, 1, -10, 32, -44, 12, -48, 1, -12, 50, -96, 72, -96, -336, 1, -14, 72, -180, 216, -216, -480, -2928, 1, -16, 98, -304, 500, -544, -376, -4672, -28144, 1, -18, 128, -476, 996, -1312, 256, -5856, -45520, -298528 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..54.

EXAMPLE

Triangle starts

1;

1,  -2;

1,  -4,   2;

1,  -6,   8,   -4;

1,  -8,  18,  -16,  -4;

1, -10,  32,  -44,  12,   -48;

1, -12,  50,  -96,  72,   -96, -336;

1, -14,  72, -180, 216,  -216, -480, -2928;

1, -16,  98, -304, 500,  -544, -376, -4672, -28144;

1, -18, 128, -476, 996, -1312,  256, -5856, -45520, -298528;

... - Joerg Arndt, Apr 20 2013

MATHEMATICA

nmax = 10; t[n_, k_] := t[n, k] = Sum[(m+1)!*t[n-m-1, k-1], {m, 0, n-k}]; t[n_, 1] = n!; t[n_, n_] = 1; tnk = Table[t[n, k], {n, 1, nmax}, {k, 1, nmax}]; Reverse /@ Inverse[tnk] // DeleteCases[#, 0, 2]& // Flatten (* Jean-Fran├žois Alcover, Jun 14 2013 *)

CROSSREFS

Cf. A059369, A059372, A059373.

Sequence in context: A158303 A304223 A035607 * A084534 A165899 A316354

Adjacent sequences:  A059367 A059368 A059369 * A059371 A059372 A059373

KEYWORD

sign,tabl,easy

AUTHOR

N. J. A. Sloane, Jan 28 2001

EXTENSIONS

More terms from Vladeta Jovovic, Mar 05 2001

STATUS

approved

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Last modified November 13 02:45 EST 2018. Contains 317121 sequences. (Running on oeis4.)