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 A083291 Triangular array read by rows: T(n,k) = k*floor(n/10) + n mod 10, 0<=k<=n. 1
 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 3, 4, 5, 6, 7, 8, 9, 10, 11 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS A010879(n)=T(n,0); A076314(0)=T(0,0), A076314(n)=T(n,1) for n>0; A028897(n)=T(n,n) for n<=1, A028897(n)=T(n,2) for n>1; A028898(n)=T(n,n) for n<=2, A028898(n)=T(n,3) for n>2; A028899(n)=T(n,n) for n<=3, A028899(n)=T(n,4) for n>3; A028900(n)=T(n,n) for n<=4, A028900(n)=T(n,5) for n>4; A028901(n)=T(n,n) for n<=5, A028901(n)=T(n,6) for n>5; A028902(n)=T(n,n) for n<=6, A028902(n)=T(n,7) for n>6; A028903(n)=T(n,n) for n<=7, A028903(n)=T(n,8) for n>7; A028904(n)=T(n,n) for n<=8, A028904(n)=T(n,9) for n>8; T(n,n) = n for n<=9, T(n,10) = n for n>9; A083292(n) = T(n,n). LINKS Table of n, a(n) for n=1..100. CROSSREFS Sequence in context: A185283 A214972 A225687 * A169894 A357930 A003056 Adjacent sequences: A083288 A083289 A083290 * A083292 A083293 A083294 KEYWORD nonn,tabl AUTHOR Reinhard Zumkeller, Apr 23 2003 STATUS approved

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Last modified April 12 22:48 EDT 2024. Contains 371639 sequences. (Running on oeis4.)