A167202 Fourth in a series of triangular subarrays of A117506. Previous arrays are Tables A007318, A059797 and A167201.

5, 21, 14, 56, 70, 28, 120, 216, 162, 48

Offset

1,1

Comments

This subarray is generated from values related to the source partition

2+2+2. (cf A161924). Note that A117506(25) maps to Partition 2+2+2

which corresponds to the 14th natural number appearing in A161924.

Note also that Table A167201 is the transpose of Table a(n) and that

partition 3+3 is the conjugate of partition 2+2+2.

Links

Table of n, a(n) for n=1..10.

Example

The A161924 domain values begin:
14
22..29
38..45..59
70..77..91..119
so based on function A117506, a(n) begins:
5
21..14
56..70..28
70..77..91..119

Crossrefs

A099627 A007318 A124922 A059797 A161924 A167201 A117506

Sequence in context: A053003 A373163 A346035 * A204914 A355036 A263130

Adjacent sequences: A167199 A167200 A167201 * A167203 A167204 A167205

Keyword

nonn,tabl,uned

Author

Alford Arnold, Nov 04 2009

Status

approved