A093899 Triangle read by rows, consisting of distinct positive integers such that the absolute difference of (horizontally or vertically) adjacent numbers is a (least possible) distinct prime.

1, 3, 6, 8, 19, 12, 25, 48, 79, 60, 62, 109, 38, 139, 96, 9, 182, 265, 42, 155, 66, 112, 291, 134, 241, 432

Offset

1,2

Comments

If there are two numbers that minimize the difference, the smaller is chosen. The sequence ends when it becomes impossible to simultaneously minimize the vertical and horizontal differences.

Links

Table of n, a(n) for n=1..26.

Crossrefs

Cf. A093900, A093901, A093902.

Sequence in context: A101060 A278486 A038064 * A306157 A262613 A137129

Adjacent sequences: A093896 A093897 A093898 * A093900 A093901 A093902

Keyword

nonn,tabl,fini,full,less

Author

Amarnath Murthy, Apr 23 2004

Extensions

Edited and extended by David Wasserman, Mar 16 2006

Status

approved