A113105 - OEIS

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A113105

Diagonal of square table A113103; also, a(n) equals the n-th term in column 0 of the matrix (n+1)-th power of triangle A113106.

1, 2, 33, 2704, 1082905, 2156566656, 21543117605345, 1081795451307347456, 273019500242348456497329, 346065491936438505902218920448, 2201645604139293737199292995777020545 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	PROG	`(PARI) {a(n, q=5)=local(M=matrix(n+1, n+1)); for(r=1, n+1, for(c=1, r, M[r, c]=if(r==c, 1, if(c>1, (M^q)[r-1, c-1])+(M^q)[r-1, c]))); return(if(n<1, 0, (M^n)[n, 1]))}`
	CROSSREFS	`Cf. A113103, A113106.` `Sequence in context: A198901 A206385 A090335 * A132567 A083459 A034173` `Adjacent sequences: A113102 A113103 A113104 * A113106 A113107 A113108`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Oct 14 2005`

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Last modified February 14 17:10 EST 2012. Contains 205644 sequences.