A081995 Diagonal of triangle A081994.

1, 3, 7, 13, 23, 37, 59, 73, 101, 131, 163, 199, 241, 293, 349, 401, 457, 523, 599, 661, 757, 713, 851, 1049, 1153, 1277, 1381, 1499, 1621, 1777, 1913, 2063, 2213, 2357, 2539, 2699, 2861, 3061, 3259, 3463, 3643, 3853, 4057, 4283, 4519, 4783, 5011, 5279, 5519

Offset

1,2

Links

Table of n, a(n) for n=1..49.

Crossrefs

Cf. A081994, A081996, A081997.

Sequence in context: A131205 A256309 A058682 * A291141 A053599 A212146

Adjacent sequences: A081992 A081993 A081994 * A081996 A081997 A081998

Keyword

nonn

Author

Amarnath Murthy, Apr 05 2003

Extensions

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 29 2003

More terms from Sean A. Irvine, Nov 20 2025

Status

approved