Triangle read by rows in which the n-th row contains the n smallest triangular numbers with the least significant digits of the n-th triangular number.

A095225

Triangle read by rows in which the n-th row contains the n smallest triangular numbers with the least significant digits of the n-th triangular number.

Terms

    a(0) =1a(1) =3a(2) =153a(3) =6a(4) =36a(5) =66a(6) =10a(7) =210a(8) =16110a(9) =19110a(10) =15a(11) =2415a(12) =8515a(13) =18915a(14) =21115a(15) =21a(16) =3321a(17) =7021a(18) =18721a(19) =21321a(20) =39621a(21) =28a(22) =528a(23) =1128a(24) =2628a(25) =3828a(26) =6328a(27) =8128a(28) =36a(29) =136

External references