102120

Appears in sequences

• Number of discordant permutations.at n=27A000561
• Positive numbers k such that k and 2*k are anagrams of each other in base 3 (k is written here in base 3).at n=12A023058
• Theta series of 8-d 5-modular lattice Q_8(1) with det 625 and minimal norm 4.at n=20A028976
• Digitally balanced numbers: ternary numbers which have the same number of 0's as 1's as 2's.at n=13A181986
• Number of partitions of n such that the multiplicity of the greatest part is a part.at n=47A240494
• Numbers with digits in {0,1,2} such that every other digit is strictly less than its neighbors.at n=38A306105
• Inflation orbit counts b^{(2)}_n for 2D cut and project patterns with tau-inflation.at n=11A324484
• Number of integer partitions of n with more than one non-mode.at n=46A363124