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 A157451 Number generated by regarding the numbers in row n of A139038 as digits of a base n number. 0
 1, 3, 13, 85, 806, 9583, 140050, 2434185, 49031983, 1122332211, 28768909071, 816222524845, 25389827448220, 859153189293015, 31417769545499716, 1234605616147931665, 51882038993710230701, 2321660210597147557819 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..18. FORMULA t(n,m)== Min[1 + Floor[m/2], 1 + Floor[(n - m)/2]]; a(n)=FromDigits[{Table[t[n, m], {m, 0, n}], n + 1}, n + 1]. EXAMPLE Row 5 of A139038 is 1,1,2,1,1. 11211 in base 5 = 5^4 + 5^3 + 2*5^2 + 5 + 1 = 806, so a(5) = 806. MATHEMATICA t[n_, m_] = Min[Floor[(m+1)/2], 1 + Floor[(n - m)/2]]; Table[FromDigits[{Table[t[n, m], {m, 1, n}], n}, n], {n, 1, 21}] CROSSREFS A139038 Sequence in context: A246387 A023037 A354436 * A188204 A152112 A167810 Adjacent sequences: A157448 A157449 A157450 * A157452 A157453 A157454 KEYWORD nonn,base AUTHOR Roger L. Bagula, Mar 01 2009 EXTENSIONS Edited by Franklin T. Adams-Watters, Sep 25 2011 STATUS approved

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Last modified March 2 18:33 EST 2024. Contains 370498 sequences. (Running on oeis4.)