The number of pairs of 3x3 matrices with elements from 0 to n such that the matrix product results in each element being the concatenation of the corresponding terms in base n.

A375157

The number of pairs of 3x3 matrices with elements from 0 to n such that the matrix product results in each element being the concatenation of the corresponding terms in base n.

Terms

    a(0) =2a(1) =43a(2) =462a(3) =458a(4) =4980a(5) =1887a(6) =18200a(7) =13405a(8) =37007a(9) =10508a(10) =200957a(11) =19554a(12) =125883a(13) =151020a(14) =420079a(15) =51500a(16) =852186a(17) =77301a(18) =1196863a(19) =494117a(20) =644747a(21) =152723a(22) =4745046a(23) =516750a(24) =1171643a(25) =1378716a(26) =3862900a(27) =352253a(28) =8755257a(29) =448846

External references