

A093902


Absolute differences of adjacent entries in triangle A093899, alternately vertical and horizontal.


1



2, 3, 5, 11, 13, 7, 17, 23, 29, 31, 67, 19, 37, 47, 61, 71, 41, 101, 79, 43, 53, 173, 73, 83, 227, 223, 97, 113, 59, 89, 103, 179, 109, 157, 131, 107, 199, 191, 277
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..39.


FORMULA

For 1 <= k <= n, a(n(n1)+2k1) = abs(A093899(n+1, k)A093899(n, k)).
For 1 <= k < n, a((n1)(n2)+2k) = abs(A093899(n, k+1)A093899(n, k)).


CROSSREFS

Cf. A093899.
Sequence in context: A066159 A316794 A103027 * A269004 A100475 A187921
Adjacent sequences: A093899 A093900 A093901 * A093903 A093904 A093905


KEYWORD

nonn,fini,full,less


AUTHOR

Amarnath Murthy, Apr 23 2004


EXTENSIONS

Edited and extended by David Wasserman, Mar 16 2006


STATUS

approved



