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

Author

Alford Arnold, Nov 04 2009

Keywords

• nonn
• tabl
• uned

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.

Examples

			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