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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

For 1 <= k <= n, a(n(n-1)+2k-1) = abs(A093899(n+1, k)-A093899(n, k)).

For 1 <= k < n, a((n-1)(n-2)+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

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Last modified November 29 02:34 EST 2020. Contains 338756 sequences. (Running on oeis4.)