



26, 41, 61, 81, 87, 93, 112, 131, 136, 150, 170, 175, 195, 215, 221, 227, 246, 265, 270, 284, 304, 324, 344, 364, 384, 404, 424, 444, 464, 484, 504, 524, 544, 564, 584, 604, 624, 644, 664, 684, 690, 696, 702, 708, 714, 720, 726, 732, 738, 744, 750, 756, 762
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OFFSET

0,1


COMMENTS

Partial sums of position of first letter of n (in English) in alphabet. The subsequence of primes in this partial sum begins: 41, 61, 131, 227, 823, 937, 1013, 1051. The subsequence of squares in this partial sum begins: 81, 324, 484, 1089.


LINKS



FORMULA



EXAMPLE

a(10) = 26 + 15 + 20 + 20 + 6 + 6 + 19 + 19 + 5 + 14 = 150 because "zero" starts with the 26th letter, "one" starts with the 15th letter, "two" starts with the 20th letter and so forth.


CROSSREFS



KEYWORD

easy,nonn,word


AUTHOR



STATUS

approved



