A157403 as tables, graphs or sounds

A157403 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`1`
`5`		`9`
`6`		`21`
`7`		`1`
`8`		`45`
`9`		`84`
`10`		`231`
`11`		`1`
`12`		`165`
`13`		`840`
`14`		`1155`
`15`		`3465`
`16`		`1`
`17`		`855`
`18`		`8610`
`19`		`13860`
`20`		`20790`
`21`		`65835`
`22`		`1`
`23`		`3843`
`24`		`64680`
`25`		`250635`
`26`		`291060`
`27`		`460845`
`28`		`1514205`
`29`		`1`
`30`		`21819`
`31`		`689136`
`32`		`3969735`
`33`		`6015240`
`34`		`7373520`
`35`		`12113640`
`36`		`40883535`
`37`		`1`
`38`		`114075`

[1,1,3,1,9,21,1,45,84,231,1,165,840,1155,3465,1, 855,8610,13860,20790,65835,1,3843,64680,250635, 291060,460845,1514205,1,21819,689136,3969735, 6015240,7373520,12113640,40883535,1,114075]

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research