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A077527 Row sums of triangle in A077526. 2

%I

%S 1,24,339,866,1605,2556,3719,5094,6681,83910,92121,126052,266303,

%T 427674,610165,813776,1038507,1284358,1551329,1837540,2146652,2246984,

%U 4887236,7498608,10311000,13324412,16538844,19954296,23570768,27385390

%N Row sums of triangle in A077526.

%o (PARI) ispal(v) = {for(i=1, #v\2, if (v[i] != v[#v-i+1], return(0));); return(1);};

%o startwith(d, j) = {dj = digits(j); for (k = 1, #dj, if (d[k] != dj[k], return (0));); return (1);}

%o a(nn) = {for (i = 1, nn, j = i; nb = 0; rsum = 0; while (nb < i, d = digits(j); if (startwith(d, i) && ispal(d), nb++; rsum += j;); j++;); print1(rsum, ", "););} \\ _Michel Marcus_, Sep 14 2013

%Y Cf. A077525, A077526.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Nov 08 2002

%E More terms from _Sascha Kurz_, Jan 03 2003

%E Several terms starting from n=12 onwards corrected by _Michel Marcus_, Sep 14 2013

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Last modified May 24 14:36 EDT 2022. Contains 354037 sequences. (Running on oeis4.)