A065234 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the decagonal numbers. The first elements of the rows form a(n).

1, 1, 3, 6, 10, 5, 11, 18, 26, 8, 18, 29, 41, 2, 16, 31, 47, 64, 82, 16, 36, 57, 79, 102, 126, 25, 51, 78, 106, 135, 165, 21, 53, 86, 120, 155, 191, 228, 34, 73, 113, 154, 196, 239, 283, 31, 77, 124, 172, 221, 271, 322, 4, 57, 111, 166, 222, 279, 337, 396, 5, 66, 128

Offset

0,3

Links

Table of n, a(n) for n=0..62.

Crossrefs

Mini-index to these sequences: A064766, A064865, A064866, A065221-A655234 are all of the same type. See A064766 for a detailed explanation.

Sequence in context: A329153 A337771 A232175 * A333531 A082184 A080817

Adjacent sequences: A065231 A065232 A065233 * A065235 A065236 A065237

Keyword

easy,nonn

Author

Floor van Lamoen, Oct 22 2001

Status

approved