This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A382247 #11 Aug 09 2025 04:00:03
%S A382247 1,0,2,2,3,4,7,12,16,22,32,50,68,96,134,195,261,364,497,701,941,1288,
%T A382247 1738
%N A382247 Number of fixed points of solid partitions under twice the 'time-lapse' operation.
%C A382247 Permutes the 4 axes of the 4D-Ferrers plot of the solid partitions as 2143.
%H A382247 Wouter Meeussen, <a href="/A094504/a094504_1.txt">Mma functions for plane and solid partitions</a>
%e A382247 z[{{2},{2}}] -> z[{{1,1}},{{1,1}}] -> z[{{2},{2}}] under the 'lapse' operation.
%t A382247 Tr/@Table[Count[solidformBTK[par], arg_z/; Nest[lapse,arg,2]===arg], {n, 20}, {par, IntegerPartitions[n]}]
%Y A382247 Cf. A000293, A094504, A094508, A096272, A096573, A096574, A096575, A096576, A096578, A096579, A096580, A096581, A119266.
%K A382247 nonn,hard,more
%O A382247 1,3
%A A382247 _Wouter Meeussen_, Mar 19 2025