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A030850 [ exp(2/21)*n! ]. 0
1, 2, 6, 26, 131, 791, 5543, 44348, 399139, 3991392, 43905314, 526863779, 6849229138, 95889207938, 1438338119083, 23013409905337, 391227968390730, 7042103431033155, 133799965189629948, 2675999303792598976 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A030937 A030827 A030947 * A030951 A030876 A159667

Adjacent sequences:  A030847 A030848 A030849 * A030851 A030852 A030853

KEYWORD

nonn

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.