A157457 Read n-th row of triangle in A157458 and regard it as the expansion of a number in base n+1.

0, 3, 16, 125, 1116, 12943, 182400, 3080025, 60524200, 1357997531, 34237168560, 957927505717, 29446184348868, 986272776455415, 35746439807927296, 1393753996031259953, 58165330905054360720, 2586788074128361802419

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Mathematica

t[n_, m_] =Min[1 + 2*m, 1 + 2*(n - m), n];
Table[FromDigits[{Table[t[n, m], {m, 0, n}], n + 1}, n + 1], {n, 0, 20}]

Crossrefs

Cf. A139038, A003983, A157458.

Sequence in context: A351423 A188417 A327826 * A365626 A000950 A320254

Adjacent sequences: A157454 A157455 A157456 * A157458 A157459 A157460

Keyword

nonn

Author

Roger L. Bagula, Mar 01 2009

Extensions

Edited by N. J. A. Sloane, Aug 27 2009

Status

approved