A393262 - OEIS

%I #22 Mar 07 2026 10:18:15

%S 1,1,3,3,9,9,22,26,54,65,131,163,296,396,670,906,1492,2034,3222,4481,

%T 6874,9577,14469,20173,29876,41808,60995,85154,122966,171272,244679,

%U 340259,481677,667652,938521,1296494,1809771,2492556,3458214,4746111,6550109,8958615

%N Number of plane partitions of n with exactly one smallest part.

%H Felix Huber, <a href="/A393262/b393262.txt">Table of n, a(n) for n = 1..60</a>

%H Felix Huber, <a href="/A393262/a393262.txt">Python program</a>

%e a(4) = 3:  4   3 1   3

%e                      1

%o (Python) # See Huber link

%Y Column k=1 of A392357.

%Y Cf. A000219, A002865, A392995.

%K nonn

%O 1,3

%A _John Tyler Rascoe_, Feb 07 2026

%E a(31) onward from _Felix Huber_, Feb 28 2026