A053731 as tables, graphs or sounds

A053731 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`1`
`9`		`1`
`10`		`5`
`11`		`15`
`12`		`42`
`13`		`99`
`14`		`215`
`15`		`429`
`16`		`805`
`17`		`1430`
`18`		`2431`
`19`		`3978`
`20`		`6299`
`21`		`9690`
`22`		`14535`
`23`		`21318`
`24`		`30645`
`25`		`43263`
`26`		`60088`
`27`		`82225`
`28`		`111004`
`29`		`148005`
`30`		`195098`
`31`		`254475`
`32`		`328697`
`33`		`420732`
`34`		`534006`
`35`		`672452`
`36`		`840565`
`37`		`1043460`
`38`		`1286934`
`39`		`1577532`
`40`		`1922618`

[0,0,0,0,0,0,0,1,1,5,15,42,99,215,429,805,1430, 2431,3978,6299,9690,14535,21318,30645,43263,60088, 82225,111004,148005,195098,254475,328697,420732, 534006,672452,840565,1043460,1286934,1577532, 1922618]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research