A165436 Number of penta-coverings of a set.

1, 1, 6, 150, 15791, 5442547, 4762077620, 8738543204786, 29476338150380267, 166824392081434701613, 1483193888081012069795493, 19709785177023094680286421698, 376477754511485610186131980496220, 10014420201202866850432679446597128835

Offset

0,3

Comments

Analogous to A165434. See references and comments there.

Links

Table of n, a(n) for n=0..13.

Crossrefs

Row 5 of A188392.

Cf. A165434.

Sequence in context: A089482 A126679 A232689 * A261066 A297737 A352757

Adjacent sequences: A165433 A165434 A165435 * A165437 A165438 A165439

Keyword

nonn

Author

Doron Zeilberger, Sep 18 2009

Status

approved