login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A376820
The smallest abundant number that begins a run of at least n consecutive abundant numbers with the same number of divisors.
0
12, 12, 12, 340, 340, 733332, 8547188, 1162009926, 11074811524, 11074811524, 2164181867010
OFFSET
1,1
EXAMPLE
a(6) = 733332 because 733332 is the smallest abundant number that begins a run of 6 consecutive abundant numbers (733332, 733338, 733340, 733344, 733348, 733350) with the same number of divisors, i.e. 24.
a(7) = 8547188 because 8547188 is the smallest abundant number that begins a run of 7 consecutive abundant numbers (8547188, 8547192, 8547196, 8547198, 8547200, 8547204, 8547210) with the same number of divisors, i.e. 48.
CROSSREFS
Sequence in context: A134324 A268914 A056627 * A376819 A334620 A061074
KEYWORD
nonn,more,hard
AUTHOR
Shyam Sunder Gupta, Oct 05 2024
EXTENSIONS
a(11) from Lucas A. Brown, Nov 12 2024
STATUS
approved