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Integers n such that A000009(n) (the number of partitions of n into distinct parts) == 1 (mod n).
4

%I #15 Feb 16 2025 08:33:11

%S 1,2,11,22,92,149,6919,25517,45339,146635,167903,7461583,14809123,

%T 75788157,80012043

%N Integers n such that A000009(n) (the number of partitions of n into distinct parts) == 1 (mod n).

%C Integers n dividing A000009(n)-1.

%C No other terms below 10^8.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PartitionFunctionQ.html">Partition Function Q</a>

%Y Cf. A000009, A056848, A128836, A259943

%K nonn,more,changed

%O 1,2

%A _Max Alekseyev_, Jul 04 2009

%E a(1)=1 prepended by _Max Alekseyev_, Dec 28 2011

%E a(13)-a(15) from _Max Alekseyev_, Jul 10 2015