A077527 Row sums of triangle in A077526.

1, 24, 339, 866, 1605, 2556, 3719, 5094, 6681, 83910, 92121, 126052, 266303, 427674, 610165, 813776, 1038507, 1284358, 1551329, 1837540, 2146652, 2246984, 4887236, 7498608, 10311000, 13324412, 16538844, 19954296, 23570768, 27385390

Offset

1,2

Links

Table of n, a(n) for n=1..30.

Prog

(PARI) ispal(v) = {for(i=1, #v\2, if (v[i] != v[#v-i+1], return(0)); ); return(1); };
startwith(d, j) = {dj = digits(j); for (k = 1, #dj, if (d[k] != dj[k], return (0)); ); return (1); }
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

Crossrefs

Cf. A077525, A077526.

Sequence in context: A125459 A258705 A264454 * A083766 A056634 A022748

Adjacent sequences: A077524 A077525 A077526 * A077528 A077529 A077530

Keyword

base,nonn

Author

Amarnath Murthy, Nov 08 2002

Extensions

More terms from Sascha Kurz, Jan 03 2003

Several terms starting from n=12 onwards corrected by Michel Marcus, Sep 14 2013

Status

approved