A031972 as tables, graphs or sounds

A031972 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`39`
`4`		`340`
`5`		`3905`
`6`		`55986`
`7`		`960799`
`8`		`19173960`
`9`		`435848049`
`10`		`11111111110`
`11`		`313842837671`
`12`		`9726655034460`
`13`		`328114698808273`
`14`		`11966776581370170`
`15`		`469172025408063615`
`16`		`19676527011956855056`
`17`		`878942778254232811937`

[1,6,39,340,3905,55986,960799,19173960,435848049, 11111111110,313842837671,9726655034460, 328114698808273,11966776581370170, 469172025408063615,19676527011956855056, 878942778254232811937]

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research