837837

Appears in sequences

• Odd abundant numbers not divisible by 5.at n=21A064001
• Number of set partitions of [n] into exactly six blocks where sizes of distinct blocks are coprime.at n=7A280884
• Odd abundant numbers that are also doublets (cf. A020338).at n=40A380232
• Odd abundant numbers not divisible by 5 that are also doublets (cf. A020338).at n=15A380233