A093902 Absolute differences of adjacent entries in triangle A093899, alternately vertical and horizontal.

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

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: A316794 A372009 A103027 * A269004 A379316 A100475

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