51617

Appears in sequences

• Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted).at n=4A091341
• Put the natural numbers together without spaces and read them five at a time advancing one space each time.at n=20A193493
• Number of singular 2 X 2 matrices having all elements in {-n,...,n}.at n=33A209981
• The numbers of people such that, in the variant of the Josephus problem in which three people are skipped and then one is eliminated, the last person is the last to be eliminated.at n=11A385333