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A101898 Column 1 of triangular matrix A101897, in which column k equals column 0 of A101897^(k+1) and where the n-th row sums are zero for n>0. 4
1, -2, 4, -11, 38, -162, 824, -4892, 33286, -255824, 2194586, -20806536, 216204552, -2444914598, 29904683052, -393532222922, 5545746198238, -83346444602936, 1330969333324702, -22510059395993784, 402002978369792696, -7560751879508538494, 149392557246683591768 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also equals column 0 of the matrix square of A101897.

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Cf. A101897, A101899, A101900.

Sequence in context: A179327 A107107 A243565 * A193188 A216810 A065851

Adjacent sequences:  A101895 A101896 A101897 * A101899 A101900 A101901

KEYWORD

sign

AUTHOR

Paul D. Hanna, Dec 20 2004

STATUS

approved

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Last modified February 20 17:04 EST 2020. Contains 332080 sequences. (Running on oeis4.)